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b517aa13ef
Previously we could skip default literal or supertype bindings if we had already found a solution with fixes, which could lead us to miss bindings that produce better diagnostics. Tweak the logic such that we continue exploring if we're in diagnostic mode. Resolves SR-12399.
877 lines
42 KiB
Swift
877 lines
42 KiB
Swift
// RUN: %target-typecheck-verify-swift
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// Single extraneous keyword argument (tuple-to-scalar)
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func f1(_ a: Int) { }
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f1(a: 5) // expected-error{{extraneous argument label 'a:' in call}}{{4-7=}}
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struct X1 {
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init(_ a: Int) { }
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func f1(_ a: Int) {}
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}
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X1(a: 5).f1(b: 5)
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// expected-error@-1 {{extraneous argument label 'a:' in call}} {{4-7=}}
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// expected-error@-2 {{extraneous argument label 'b:' in call}} {{13-16=}}
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// <rdar://problem/16801056>
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enum Policy {
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case Head(Int)
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}
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func extra2(x: Int, y: Int) { }
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func testExtra2(_ policy : Policy) {
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switch (policy)
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{
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case .Head(let count):
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extra2(x: 0, y: count)
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}
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}
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// Single missing keyword argument (scalar-to-tuple)
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func f2(a: Int) { }
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f2(5) // expected-error{{missing argument label 'a:' in call}}{{4-4=a: }}
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struct X2 {
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init(a: Int) { }
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func f2(b: Int) { }
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}
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X2(5).f2(5)
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// expected-error@-1 {{missing argument label 'a:' in call}} {{4-4=a: }}
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// expected-error@-2 {{missing argument label 'b:' in call}} {{10-10=b: }}
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// -------------------------------------------
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// Missing keywords
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// -------------------------------------------
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func allkeywords1(x: Int, y: Int) { }
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// Missing keywords.
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allkeywords1(1, 2) // expected-error{{missing argument labels}} {{14-14=x: }} {{17-17=y: }}
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allkeywords1(x: 1, 2) // expected-error{{missing argument label 'y:' in call}} {{20-20=y: }}
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allkeywords1(1, y: 2) // expected-error{{missing argument label 'x:' in call}} {{14-14=x: }}
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// If keyword is reserved, make sure to quote it. rdar://problem/21392294
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func reservedLabel(_ x: Int, `repeat`: Bool) {}
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reservedLabel(1, true) // expected-error{{missing argument label 'repeat:' in call}}{{18-18=repeat: }}
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// Insert missing keyword before initial backtick. rdar://problem/21392294 part 2
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func reservedExpr(_ x: Int, y: Int) {}
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let `do` = 2
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reservedExpr(1, `do`) // expected-error{{missing argument label 'y:' in call}}{{17-17=y: }}
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reservedExpr(1, y: `do`)
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class GenericCtor<U> {
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init<T>(t : T) {} // expected-note {{'init(t:)' declared here}}
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}
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GenericCtor<Int>() // expected-error{{missing argument for parameter 't' in call}}
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// -------------------------------------------
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// Extraneous keywords
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// -------------------------------------------
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func nokeywords1(_ x: Int, _ y: Int) { }
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nokeywords1(x: 1, y: 1) // expected-error{{extraneous argument labels 'x:y:' in call}}{{13-16=}}{{19-22=}}
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// -------------------------------------------
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// Some missing, some extraneous keywords
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// -------------------------------------------
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func somekeywords1(_ x: Int, y: Int, z: Int) { }
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somekeywords1(x: 1, y: 2, z: 3) // expected-error{{extraneous argument label 'x:' in call}}{{15-18=}}
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somekeywords1(1, 2, 3) // expected-error{{missing argument labels 'y:z:' in call}}{{18-18=y: }}{{21-21=z: }}
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somekeywords1(x: 1, 2, z: 3) // expected-error{{incorrect argument labels in call (have 'x:_:z:', expected '_:y:z:')}}{{15-18=}}{{21-21=y: }}
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// -------------------------------------------
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// Out-of-order keywords
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// -------------------------------------------
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allkeywords1(y: 1, x: 2) // expected-error{{argument 'x' must precede argument 'y'}} {{14-14=x: 2, }} {{18-24=}}
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// -------------------------------------------
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// Default arguments
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// -------------------------------------------
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func defargs1(x: Int = 1, y: Int = 2, z: Int = 3) {}
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// Using defaults (in-order)
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defargs1()
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defargs1(x: 1)
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defargs1(x: 1, y: 2)
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// Using defaults (in-order, some missing)
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defargs1(y: 2)
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defargs1(y: 2, z: 3)
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defargs1(z: 3)
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defargs1(x: 1, z: 3)
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// Using defaults (out-of-order, error by SE-0060)
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defargs1(z: 3, y: 2, x: 1) // expected-error{{argument 'x' must precede argument 'z'}} {{10-10=x: 1, }} {{20-26=}}
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defargs1(x: 1, z: 3, y: 2) // expected-error{{argument 'y' must precede argument 'z'}} {{16-16=y: 2, }} {{20-26=}}
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defargs1(y: 2, x: 1) // expected-error{{argument 'x' must precede argument 'y'}} {{10-10=x: 1, }} {{14-20=}}
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// Default arguments "boxed in".
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func defargs2(first: Int, x: Int = 1, y: Int = 2, z: Int = 3, last: Int) { }
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// Using defaults in the middle (in-order, some missing)
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defargs2(first: 1, x: 1, z: 3, last: 4)
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defargs2(first: 1, x: 1, last: 4)
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defargs2(first: 1, y: 2, z: 3, last: 4)
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defargs2(first: 1, last: 4)
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// Using defaults in the middle (out-of-order, error by SE-0060)
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defargs2(first: 1, z: 3, x: 1, last: 4) // expected-error{{argument 'x' must precede argument 'z'}} {{20-20=x: 1, }} {{24-30=}}
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defargs2(first: 1, z: 3, y: 2, last: 4) // expected-error{{argument 'y' must precede argument 'z'}} {{20-20=y: 2, }} {{24-30=}}
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// Using defaults that have moved past a non-defaulted parameter
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defargs2(x: 1, first: 1, last: 4) // expected-error{{argument 'first' must precede argument 'x'}} {{10-10=first: 1, }} {{14-24=}}
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defargs2(first: 1, last: 4, x: 1) // expected-error{{argument 'x' must precede argument 'last'}} {{20-20=x: 1, }} {{27-33=}}
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// -------------------------------------------
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// Variadics
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// -------------------------------------------
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func variadics1(x: Int, y: Int, _ z: Int...) { }
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// Using variadics (in-order, complete)
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variadics1(x: 1, y: 2)
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variadics1(x: 1, y: 2, 1)
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variadics1(x: 1, y: 2, 1, 2)
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variadics1(x: 1, y: 2, 1, 2, 3)
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// Using various (out-of-order)
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variadics1(1, 2, 3, 4, 5, x: 6, y: 7) // expected-error {{incorrect argument labels in call (have '_:_:_:_:_:x:y:', expected 'x:y:_:')}} {{12-12=x: }} {{15-15=y: }} {{27-30=}} {{33-36=}}
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func variadics2(x: Int, y: Int = 2, z: Int...) { } // expected-note {{'variadics2(x:y:z:)' declared here}}
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// Using variadics (in-order, complete)
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variadics2(x: 1, y: 2, z: 1)
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variadics2(x: 1, y: 2, z: 1, 2)
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variadics2(x: 1, y: 2, z: 1, 2, 3)
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// Using variadics (in-order, some missing)
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variadics2(x: 1, z: 1, 2, 3)
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variadics2(x: 1)
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// Using variadics (out-of-order)
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variadics2(z: 1, 2, 3, y: 2) // expected-error{{missing argument for parameter 'x' in call}}
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variadics2(z: 1, 2, 3, x: 1) // expected-error{{argument 'x' must precede argument 'z'}} {{12-12=x: 1, }} {{22-28=}}
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func variadics3(_ x: Int..., y: Int = 2, z: Int = 3) { }
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// Using variadics (in-order, complete)
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variadics3(1, 2, 3, y: 0, z: 1)
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variadics3(1, y: 0, z: 1)
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variadics3(y: 0, z: 1)
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// Using variadics (in-order, some missing)
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variadics3(1, 2, 3, y: 0)
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variadics3(1, z: 1)
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variadics3(z: 1)
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variadics3(1, 2, 3, z: 1)
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variadics3(1, z: 1)
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variadics3(z: 1)
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variadics3(1, 2, 3)
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variadics3(1)
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variadics3()
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// Using variadics (out-of-order)
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variadics3(y: 0, 1, 2, 3) // expected-error{{unnamed argument #2 must precede argument 'y'}} {{12-12=1, 2, 3, }} {{16-25=}}
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variadics3(z: 1, 1) // expected-error{{unnamed argument #2 must precede argument 'z'}} {{12-12=1, }} {{16-19=}}
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func variadics4(x: Int..., y: Int = 2, z: Int = 3) { }
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// Using variadics (in-order, complete)
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variadics4(x: 1, 2, 3, y: 0, z: 1)
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variadics4(x: 1, y: 0, z: 1)
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variadics4(y: 0, z: 1)
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// Using variadics (in-order, some missing)
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variadics4(x: 1, 2, 3, y: 0)
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variadics4(x: 1, z: 1)
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variadics4(z: 1)
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variadics4(x: 1, 2, 3, z: 1)
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variadics4(x: 1, z: 1)
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variadics4(z: 1)
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variadics4(x: 1, 2, 3)
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variadics4(x: 1)
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variadics4()
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// Using variadics (in-order, some missing)
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variadics4(y: 0, x: 1, 2, 3) // expected-error{{argument 'x' must precede argument 'y'}} {{12-12=x: 1, 2, 3, }} {{16-28=}}
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variadics4(z: 1, x: 1) // expected-error{{argument 'x' must precede argument 'z'}} {{12-12=x: 1, }} {{16-22=}}
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func variadics5(_ x: Int, y: Int, _ z: Int...) { } // expected-note {{declared here}}
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// Using variadics (in-order, complete)
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variadics5(1, y: 2)
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variadics5(1, y: 2, 1)
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variadics5(1, y: 2, 1, 2)
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variadics5(1, y: 2, 1, 2, 3)
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// Using various (out-of-order)
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variadics5(1, 2, 3, 4, 5, 6, y: 7) // expected-error{{argument 'y' must precede unnamed argument #2}} {{15-15=y: 7, }} {{28-34=}}
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variadics5(y: 1, 2, 3, 4, 5, 6, 7) // expected-error{{missing argument for parameter #1 in call}}
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func variadics6(x: Int..., y: Int = 2, z: Int) { } // expected-note 4 {{'variadics6(x:y:z:)' declared here}}
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// Using variadics (in-order, complete)
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variadics6(x: 1, 2, 3, y: 0, z: 1)
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variadics6(x: 1, y: 0, z: 1)
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variadics6(y: 0, z: 1)
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// Using variadics (in-order, some missing)
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variadics6(x: 1, 2, 3, y: 0) // expected-error{{missing argument for parameter 'z' in call}}
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variadics6(x: 1, z: 1)
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variadics6(z: 1)
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variadics6(x: 1, 2, 3, z: 1)
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variadics6(x: 1, z: 1)
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variadics6(z: 1)
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variadics6(x: 1, 2, 3) // expected-error{{missing argument for parameter 'z' in call}}
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variadics6(x: 1) // expected-error{{missing argument for parameter 'z' in call}}
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variadics6() // expected-error{{missing argument for parameter 'z' in call}}
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func outOfOrder(_ a : Int, b: Int) {
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outOfOrder(b: 42, 52) // expected-error {{unnamed argument #2 must precede argument 'b'}} {{14-14=52, }} {{19-23=}}
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}
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struct Variadics7 {
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func f(alpha: Int..., bravo: Int) {} // expected-note {{'f(alpha:bravo:)' declared here}}
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// expected-note@-1 {{'f(alpha:bravo:)' declared here}}
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func test() {
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// no error
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f(bravo: 0)
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f(alpha: 0, bravo: 3)
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f(alpha: 0, 1, bravo: 3)
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f(alpha: 0, 1, 2, bravo: 3)
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// OoO
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f(bravo: 0, alpha: 1) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
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f(bravo: 0, alpha: 1, 2) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
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f(bravo: 0, alpha: 1, 2, 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
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// typo A
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f(alphax: 0, bravo: 3) // expected-error {{incorrect argument label in call (have 'alphax:bravo:', expected 'alpha:bravo:')}}
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f(alphax: 0, 1, bravo: 3) // expected-error {{extra argument in call}}
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f(alphax: 0, 1, 2, bravo: 3) // expected-error {{extra arguments at positions #2, #3 in call}}
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// typo B
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f(bravox: 0) // expected-error {{incorrect argument label in call (have 'bravox:', expected 'bravo:')}}
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f(alpha: 0, bravox: 3) // expected-error {{incorrect argument label in call (have 'alpha:bravox:', expected 'alpha:bravo:')}}
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f(alpha: 0, 1, bravox: 3) // expected-error {{incorrect argument label in call (have 'alpha:_:bravox:', expected 'alpha:_:bravo:')}}
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f(alpha: 0, 1, 2, bravox: 3) // expected-error {{incorrect argument label in call (have 'alpha:_:_:bravox:', expected 'alpha:_:_:bravo:')}}
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// OoO + typo A B
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f(bravox: 0, alphax: 1) // expected-error {{incorrect argument labels in call (have 'bravox:alphax:', expected 'alpha:bravo:')}}
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f(bravox: 0, alphax: 1, 2) // expected-error {{extra argument in call}}
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f(bravox: 0, alphax: 1, 2, 3) // expected-error {{extra arguments at positions #3, #4 in call}}
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}
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}
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struct Variadics8 {
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func f(alpha: Int..., bravo: Int, charlie: Int) {} // expected-note {{'f(alpha:bravo:charlie:)' declared here}}
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func test() {
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// no error
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f(bravo: 3, charlie: 4)
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f(alpha: 0, bravo: 3, charlie: 4)
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f(alpha: 0, 1, bravo: 3, charlie: 4)
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f(alpha: 0, 1, 2, bravo: 3, charlie: 4)
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// OoO ACB
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f(charlie: 3, bravo: 4) // expected-error {{argument 'bravo' must precede argument 'charlie'}}
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f(alpha: 0, charlie: 3, bravo: 4) // expected-error {{argument 'bravo' must precede argument 'charlie'}}
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f(alpha: 0, 1, charlie: 3, bravo: 4) // expected-error {{argument 'bravo' must precede argument 'charlie'}}
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f(alpha: 0, 1, 2, charlie: 3, bravo: 4) // expected-error {{argument 'bravo' must precede argument 'charlie'}}
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// OoO CAB
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f(charlie: 0, alpha: 1, bravo: 4) // expected-error {{incorrect argument labels in call (have 'charlie:alpha:bravo:', expected 'alpha:bravo:charlie:')}}
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f(charlie: 0, alpha: 1, 2, bravo: 4) // expected-error {{incorrect argument labels in call (have 'charlie:alpha:_:bravo:', expected 'alpha:bravo:charlie:')}}
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f(charlie: 0, alpha: 1, 2, 3, bravo: 4) // expected-error {{incorrect argument labels in call (have 'charlie:alpha:_:_:bravo:', expected 'alpha:bravo:charlie:')}}
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// OoO BAC
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f(bravo: 0, alpha: 1, charlie: 4) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
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f(bravo: 0, alpha: 1, 2, charlie: 4) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
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f(bravo: 0, alpha: 1, 2, 3, charlie: 4) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
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// typo A
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f(alphax: 0, bravo: 3, charlie: 4) // expected-error {{incorrect argument label in call (have 'alphax:bravo:charlie:', expected 'alpha:bravo:charlie:')}}
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f(alphax: 0, 1, bravo: 3, charlie: 4) // expected-error {{extra argument in call}}
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f(alphax: 0, 1, 2, bravo: 3, charlie: 4) // expected-error {{extra arguments at positions #2, #3 in call}}
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// typo B
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f(bravox: 3, charlie: 4) // expected-error {{incorrect argument label in call (have 'bravox:charlie:', expected 'bravo:charlie:')}}
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f(alpha: 0, bravox: 3, charlie: 4) // expected-error {{incorrect argument label in call (have 'alpha:bravox:charlie:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, 1, bravox: 3, charlie: 4) // expected-error {{incorrect argument label in call (have 'alpha:_:bravox:charlie:', expected 'alpha:_:bravo:charlie:')}}
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f(alpha: 0, 1, 2, bravox: 3, charlie: 4) // expected-error {{incorrect argument label in call (have 'alpha:_:_:bravox:charlie:', expected 'alpha:_:_:bravo:charlie:')}}
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// typo C
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f(bravo: 3, charliex: 4) // expected-error {{incorrect argument label in call (have 'bravo:charliex:', expected 'bravo:charlie:')}}
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f(alpha: 0, bravo: 3, charliex: 4) // expected-error {{incorrect argument label in call (have 'alpha:bravo:charliex:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, 1, bravo: 3, charliex: 4) // expected-error {{incorrect argument label in call (have 'alpha:_:bravo:charliex:', expected 'alpha:_:bravo:charlie:')}}
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f(alpha: 0, 1, 2, bravo: 3, charliex: 4) // expected-error {{incorrect argument label in call (have 'alpha:_:_:bravo:charliex:', expected 'alpha:_:_:bravo:charlie:')}}
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// OoO ACB + typo B
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f(alpha: 0, charlie: 3, bravox: 4) // expected-error {{incorrect argument labels in call (have 'alpha:charlie:bravox:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, 1, charlie: 3, bravox: 4) // expected-error {{incorrect argument labels in call (have 'alpha:_:charlie:bravox:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, 1, 2, charlie: 3, bravox: 4) // expected-error {{incorrect argument labels in call (have 'alpha:_:_:charlie:bravox:', expected 'alpha:bravo:charlie:')}}
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// OoO ACB + typo C
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f(charliex: 3, bravo: 4) // expected-error {{incorrect argument labels in call (have 'charliex:bravo:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, charliex: 3, bravo: 4) // expected-error {{incorrect argument labels in call (have 'alpha:charliex:bravo:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, 1, charliex: 3, bravo: 4) // expected-error {{incorrect argument labels in call (have 'alpha:_:charliex:bravo:', expected 'alpha:bravo:charlie:')}}
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f(alpha: 0, 1, 2, charliex: 3, bravo: 4) // expected-error {{incorrect argument labels in call (have 'alpha:_:_:charliex:bravo:', expected 'alpha:bravo:charlie:')}}
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// OoO BAC + typo B
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f(bravox: 0, alpha: 1, charlie: 4) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:', expected 'alpha:bravo:charlie:')}}
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f(bravox: 0, alpha: 1, 2, charlie: 4) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:_:charlie:', expected 'alpha:bravo:charlie:')}}
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f(bravox: 0, alpha: 1, 2, 3, charlie: 4) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:_:_:charlie:', expected 'alpha:bravo:charlie:')}}
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// OoO BAC + typo C
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f(bravo: 0, alpha: 1, charliex: 4) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f(bravo: 0, alpha: 1, 2, charliex: 4) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f(bravo: 0, alpha: 1, 2, 3, charliex: 4) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------
|
|
// Positions around defaults and variadics
|
|
// -------------------------------------------
|
|
|
|
struct PositionsAroundDefaultsAndVariadics {
|
|
// unlabeled defaulted around labeled parameter
|
|
func f1(_ a: Bool = false, _ b: Int = 0, c: String = "", _ d: [Int] = []) {}
|
|
|
|
func test_f1() {
|
|
f1(true, 2, c: "3", [4])
|
|
|
|
f1(true, c: "3", 2, [4]) // expected-error {{unnamed argument #4 must precede argument 'c'}}
|
|
|
|
f1(true, c: "3", [4], 2) // expected-error {{unnamed argument #4 must precede argument 'c'}}
|
|
|
|
f1(true, c: "3", 2) // expected-error {{cannot convert value of type 'Int' to expected argument type '[Int]'}}
|
|
|
|
f1(true, c: "3", [4])
|
|
|
|
f1(c: "3", 2, [4]) // expected-error {{unnamed argument #3 must precede argument 'c'}}
|
|
|
|
f1(c: "3", [4], 2) // expected-error {{unnamed argument #3 must precede argument 'c'}}
|
|
|
|
f1(c: "3", 2) // expected-error {{cannot convert value of type 'Int' to expected argument type '[Int]'}}
|
|
|
|
f1(c: "3", [4])
|
|
|
|
f1(b: "2", [3]) // expected-error {{incorrect argument labels in call (have 'b:_:', expected '_:_:c:_:')}}
|
|
// expected-error@-1 {{cannot convert value of type '[Int]' to expected argument type 'Bool'}}
|
|
|
|
f1(b: "2", 1) // expected-error {{incorrect argument labels in call (have 'b:_:', expected '_:_:c:_:')}}
|
|
// expected-error@-1 {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f1(b: "2", [3], 1) // expected-error {{incorrect argument labels in call (have 'b:_:_:', expected '_:_:c:_:')}}
|
|
// expected-error@-1 {{cannot convert value of type '[Int]' to expected argument type 'Bool'}}
|
|
|
|
f1(b: "2", 1, [3]) // expected-error {{incorrect argument labels in call (have 'b:_:_:', expected '_:_:c:_:')}}
|
|
// expected-error@-1 {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
// expected-error@-2 {{cannot convert value of type '[Int]' to expected argument type 'Int'}}
|
|
}
|
|
|
|
// unlabeled variadics before labeled parameter
|
|
func f2(_ a: Bool = false, _ b: Int..., c: String = "", _ d: [Int] = []) {}
|
|
|
|
func test_f2() {
|
|
f2(true, 21, 22, 23, c: "3", [4])
|
|
|
|
f2(true, "21", 22, 23, c: "3", [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f2(true, 21, "22", 23, c: "3", [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f2(true, 21, 22, "23", c: "3", [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f2(true, 21, 22, c: "3", [4])
|
|
f2(true, 21, c: "3", [4])
|
|
f2(true, c: "3", [4])
|
|
|
|
f2(true, c: "3", 21) // expected-error {{cannot convert value of type 'Int' to expected argument type '[Int]'}}
|
|
|
|
f2(true, c: "3", 21, [4]) // expected-error {{unnamed argument #4 must precede argument 'c'}}
|
|
// expected-error@-1 {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-2 {{remove brackets to pass array elements directly}}
|
|
|
|
f2(true, c: "3", [4], 21) // expected-error {{unnamed argument #4 must precede argument 'c'}}
|
|
|
|
f2(true, [4]) // expected-error {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-1 {{remove brackets to pass array elements directly}}
|
|
|
|
f2(true, 21, [4]) // expected-error {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-1 {{remove brackets to pass array elements directly}}
|
|
|
|
f2(true, 21, 22, [4]) // expected-error {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-1 {{remove brackets to pass array elements directly}}
|
|
|
|
f2(21, 22, 23, c: "3", [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f2(21, 22, c: "3", [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f2(21, c: "3", [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f2(c: "3", [4])
|
|
f2(c: "3")
|
|
f2()
|
|
|
|
f2(c: "3", 21) // expected-error {{cannot convert value of type 'Int' to expected argument type '[Int]'}}
|
|
|
|
f2(c: "3", 21, [4]) // expected-error {{incorrect argument labels in call (have 'c:_:_:', expected '_:_:c:_:')}}
|
|
// expected-error@-1 {{cannot convert value of type 'Int' to expected argument type '[Int]'}}
|
|
// expected-error@-2 {{cannot convert value of type '[Int]' to expected argument type 'Bool'}}
|
|
|
|
f2(c: "3", [4], 21) // expected-error {{incorrect argument labels in call (have 'c:_:_:', expected '_:_:c:_:')}}
|
|
// expected-error@-1 {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f2([4]) // expected-error {{cannot convert value of type '[Int]' to expected argument type 'Bool'}}
|
|
|
|
f2(21, [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
// expected-error@-1 {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-2 {{remove brackets to pass array elements directly}}
|
|
|
|
f2(21, 22, [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
// expected-error@-1 {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-2 {{remove brackets to pass array elements directly}}
|
|
}
|
|
|
|
// labeled variadics before labeled parameter
|
|
func f3(_ a: Bool = false, b: Int..., c: String = "", _ d: [Int] = []) {}
|
|
|
|
func test_f3() {
|
|
f3(true, b: 21, 22, 23, c: "3", [4])
|
|
|
|
f3(true, b: "21", 22, 23, c: "3", [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f3(true, b: 21, "22", 23, c: "3", [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f3(true, b: 21, 22, "23", c: "3", [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f3(true, b: 21, 22, c: "3", [4])
|
|
f3(true, b: 21, c: "3", [4])
|
|
f3(true, c: "3", [4])
|
|
|
|
f3(true, c: "3", b: 21) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
|
|
f3(true, c: "3", b: 21, [4]) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
// expected-error@-1 {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-2 {{remove brackets to pass array elements directly}}
|
|
|
|
f3(true, c: "3", [4], b: 21) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
|
|
f3(true, b: 21, [4]) // expected-error {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-1 {{remove brackets to pass array elements directly}}
|
|
|
|
f3(b: 21, 22, 23, c: "3", [4])
|
|
f3(b: 21, 22, c: "3", [4])
|
|
f3(b: 21, c: "3", [4])
|
|
f3(c: "3", [4])
|
|
|
|
f3([4]) // expected-error {{cannot convert value of type '[Int]' to expected argument type 'Bool'}}
|
|
|
|
f3()
|
|
|
|
f3(c: "3", b: 21) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
|
|
f3(c: "3", b: 21, [4]) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
// expected-error@-1 {{cannot pass array of type '[Int]' as variadic arguments of type 'Int'}}
|
|
// expected-note@-2 {{remove brackets to pass array elements directly}}
|
|
|
|
f3(c: "3", [4], b: 21) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
}
|
|
|
|
// unlabeled variadics after labeled parameter
|
|
func f4(_ a: Bool = false, b: String = "", _ c: Int..., d: [Int] = []) {}
|
|
|
|
func test_f4() {
|
|
f4(true, b: "2", 31, 32, 33, d: [4])
|
|
|
|
f4(true, b: "2", "31", 32, 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f4(true, b: "2", 31, "32", 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f4(true, b: "2", 31, 32, "33", d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f4(true, b: "2", 31, 32, d: [4])
|
|
f4(true, b: "2", 31, d: [4])
|
|
f4(true, b: "2", d: [4])
|
|
|
|
f4(true, 31, b: "2", d: [4]) // expected-error {{argument 'b' must precede unnamed argument #2}}
|
|
|
|
f4(true, b: "2", d: [4], 31) // expected-error {{unnamed argument #4 must precede argument 'd'}}
|
|
|
|
f4(true, b: "2", 31)
|
|
f4(true, b: "2")
|
|
|
|
f4(true)
|
|
f4(true, 31)
|
|
f4(true, 31, d: [4])
|
|
f4(true, 31, 32)
|
|
f4(true, 31, 32, d: [4])
|
|
|
|
f4(b: "2", 31, 32, 33, d: [4])
|
|
|
|
f4(b: "2", "31", 32, 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f4(b: "2", 31, "32", 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f4(b: "2", 31, 32, "33", d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f4(b: "2", 31, 32, d: [4])
|
|
f4(b: "2", 31, d: [4])
|
|
f4(b: "2", d: [4])
|
|
|
|
f4(31, b: "2", d: [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f4(b: "2", d: [4], 31) // expected-error {{unnamed argument #3 must precede argument 'b'}}
|
|
|
|
f4(b: "2", 31)
|
|
f4(b: "2", 31, 32)
|
|
f4(b: "2")
|
|
|
|
f4()
|
|
|
|
f4(31) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f4(31, d: [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f4(31, 32) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
|
|
f4(31, 32, d: [4]) // expected-error {{type 'Int' cannot be used as a boolean; test for '!= 0' instead}}
|
|
}
|
|
|
|
// labeled variadics after labeled parameter
|
|
func f5(_ a: Bool = false, b: String = "", c: Int..., d: [Int] = []) {}
|
|
|
|
func test_f5() {
|
|
f5(true, b: "2", c: 31, 32, 33, d: [4])
|
|
|
|
f5(true, b: "2", c: "31", 32, 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f5(true, b: "2", c: 31, "32", 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f5(true, b: "2", c: 31, 32, "33", d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f5(true, b: "2", c: 31, 32, d: [4])
|
|
f5(true, b: "2", c: 31, d: [4])
|
|
f5(true, b: "2", d: [4])
|
|
|
|
f5(true, c: 31, b: "2", d: [4]) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
|
|
f5(true, b: "2", d: [4], 31) // expected-error {{incorrect argument labels in call (have '_:b:d:_:', expected '_:b:c:d:')}}
|
|
|
|
f5(true, b: "2", c: 31)
|
|
f5(true, b: "2")
|
|
|
|
f5(true)
|
|
f5(true, c: 31)
|
|
f5(true, c: 31, d: [4])
|
|
f5(true, c: 31, 32)
|
|
f5(true, c: 31, 32, d: [4])
|
|
|
|
f5(b: "2", c: 31, 32, 33, d: [4])
|
|
|
|
f5(b: "2", c: "31", 32, 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f5(b: "2", c: 31, "32", 33, d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f5(b: "2", c: 31, 32, "33", d: [4]) // expected-error {{cannot convert value of type 'String' to expected argument type 'Int'}}
|
|
|
|
f5(b: "2", c: 31, 32, d: [4])
|
|
f5(b: "2", c: 31, d: [4])
|
|
f5(b: "2", d: [4])
|
|
|
|
f5(c: 31, b: "2", d: [4]) // expected-error {{argument 'b' must precede argument 'c'}}
|
|
|
|
f5(b: "2", d: [4], c: 31) // expected-error {{argument 'c' must precede argument 'd'}}
|
|
|
|
f5(b: "2", c: 31)
|
|
f5(b: "2", c: 31, 32)
|
|
f5(b: "2")
|
|
|
|
f5()
|
|
f5(c: 31)
|
|
f5(c: 31, d: [4])
|
|
f5(c: 31, 32)
|
|
f5(c: 31, 32, d: [4])
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------
|
|
// Missing arguments
|
|
// -------------------------------------------
|
|
// FIXME: Diagnostics could be improved with all missing names, or
|
|
// simply # of arguments required.
|
|
func missingargs1(x: Int, y: Int, z: Int) {} // expected-note {{'missingargs1(x:y:z:)' declared here}}
|
|
|
|
missingargs1(x: 1, y: 2) // expected-error{{missing argument for parameter 'z' in call}}
|
|
|
|
func missingargs2(x: Int, y: Int, _ z: Int) {} // expected-note {{'missingargs2(x:y:_:)' declared here}}
|
|
missingargs2(x: 1, y: 2) // expected-error{{missing argument for parameter #3 in call}}
|
|
|
|
// -------------------------------------------
|
|
// Extra arguments
|
|
// -------------------------------------------
|
|
func extraargs1(x: Int) {} // expected-note {{'extraargs1(x:)' declared here}}
|
|
|
|
extraargs1(x: 1, y: 2) // expected-error{{extra argument 'y' in call}}
|
|
extraargs1(x: 1, 2, 3) // expected-error{{extra arguments at positions #2, #3 in call}}
|
|
|
|
// -------------------------------------------
|
|
// Argument name mismatch
|
|
// -------------------------------------------
|
|
|
|
func mismatch1(thisFoo: Int = 0, bar: Int = 0, wibble: Int = 0) { } // expected-note {{'mismatch1(thisFoo:bar:wibble:)' declared here}}
|
|
|
|
mismatch1(foo: 5) // expected-error {{extra argument 'foo' in call}}
|
|
mismatch1(baz: 1, wobble: 2) // expected-error{{incorrect argument labels in call (have 'baz:wobble:', expected 'bar:wibble:')}} {{11-14=bar}} {{19-25=wibble}}
|
|
mismatch1(food: 1, zap: 2) // expected-error{{extra arguments at positions #1, #2 in call}}
|
|
|
|
// -------------------------------------------
|
|
// Out of order and default
|
|
// -------------------------------------------
|
|
|
|
struct OutOfOrderAndDefault {
|
|
func f11(alpha: Int, bravo: Int) {}
|
|
func f12(alpha: Int = -1, bravo: Int) {}
|
|
func f13(alpha: Int, bravo: Int = -1) {}
|
|
func f14(alpha: Int = -1, bravo: Int = -1) {}
|
|
|
|
func test1() {
|
|
// typo
|
|
f11(bravo: 0, alphax: 1) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:', expected 'alpha:bravo:')}}
|
|
f11(bravox: 0, alpha: 1) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:', expected 'alpha:bravo:')}}
|
|
f12(bravo: 0, alphax: 1) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:', expected 'alpha:bravo:')}}
|
|
f12(bravox: 0, alpha: 1) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:', expected 'alpha:bravo:')}}
|
|
f13(bravo: 0, alphax: 1) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:', expected 'alpha:bravo:')}}
|
|
f13(bravox: 0, alpha: 1) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:', expected 'alpha:bravo:')}}
|
|
f14(bravo: 0, alphax: 1) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:', expected 'alpha:bravo:')}}
|
|
f14(bravox: 0, alpha: 1) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:', expected 'alpha:bravo:')}}
|
|
}
|
|
|
|
func f21(alpha: Int, bravo: Int, charlie: Int) {}
|
|
func f22(alpha: Int = -1, bravo: Int, charlie: Int) {}
|
|
func f23(alpha: Int = -1, bravo: Int = -1, charlie: Int) {}
|
|
|
|
func test2() {
|
|
// BAC
|
|
f21(bravo: 0, alphax: 1, charlie: 2) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:charlie:', expected 'alpha:bravo:charlie:')}}
|
|
f21(bravox: 0, alpha: 1, charlie: 2) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:', expected 'alpha:bravo:charlie:')}}
|
|
f21(bravo: 0, alpha: 1, charliex: 2) // expected-error {{'alpha' must precede argument 'bravo'}}
|
|
f22(bravo: 0, alphax: 1, charlie: 2) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:charlie:', expected 'alpha:bravo:charlie:')}}
|
|
f22(bravox: 0, alpha: 1, charlie: 2) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:', expected 'alpha:bravo:charlie:')}}
|
|
f22(bravo: 0, alpha: 1, charliex: 2) // expected-error {{'alpha' must precede argument 'bravo'}}
|
|
f23(bravo: 0, alphax: 1, charlie: 2) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:charlie:', expected 'alpha:bravo:charlie:')}}
|
|
f23(bravox: 0, alpha: 1, charlie: 2) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:', expected 'alpha:bravo:charlie:')}}
|
|
f23(bravo: 0, alpha: 1, charliex: 2) // expected-error {{'alpha' must precede argument 'bravo'}}
|
|
|
|
// BCA
|
|
f21(bravo: 0, charlie: 1, alphax: 2) // expected-error {{incorrect argument labels in call (have 'bravo:charlie:alphax:', expected 'alpha:bravo:charlie:')}}
|
|
f21(bravox: 0, charlie: 1, alpha: 2) // expected-error {{incorrect argument labels in call (have 'bravox:charlie:alpha:', expected 'alpha:bravo:charlie:')}}
|
|
f21(bravo: 0, charliex: 1, alpha: 2) // expected-error {{'alpha' must precede argument 'bravo'}}
|
|
f22(bravo: 0, charlie: 1, alphax: 2) // expected-error {{incorrect argument labels in call (have 'bravo:charlie:alphax:', expected 'alpha:bravo:charlie:')}}
|
|
f22(bravox: 0, charlie: 1, alpha: 2) // expected-error {{incorrect argument labels in call (have 'bravox:charlie:alpha:', expected 'alpha:bravo:charlie:')}}
|
|
f22(bravo: 0, charliex: 1, alpha: 2) // expected-error {{'alpha' must precede argument 'bravo'}}
|
|
f23(bravo: 0, charlie: 1, alphax: 2) // expected-error {{incorrect argument labels in call (have 'bravo:charlie:alphax:', expected 'alpha:bravo:charlie:')}}
|
|
f23(bravox: 0, charlie: 1, alpha: 2) // expected-error {{incorrect argument labels in call (have 'bravox:charlie:alpha:', expected 'alpha:bravo:charlie:')}}
|
|
f23(bravo: 0, charliex: 1, alpha: 2) // expected-error {{'alpha' must precede argument 'bravo'}}
|
|
|
|
// CAB
|
|
f21(charlie: 0, alphax: 1, bravo: 2) // expected-error {{incorrect argument labels in call (have 'charlie:alphax:bravo:', expected 'alpha:bravo:charlie:')}}
|
|
f21(charlie: 0, alpha: 1, bravox: 2) // expected-error {{incorrect argument labels in call (have 'charlie:alpha:bravox:', expected 'alpha:bravo:charlie:')}}
|
|
f21(charliex: 0, alpha: 1, bravo: 2) // expected-error {{incorrect argument labels in call (have 'charliex:alpha:bravo:', expected 'alpha:bravo:charlie:')}}
|
|
f22(charlie: 0, alphax: 1, bravo: 2) // expected-error {{incorrect argument labels in call (have 'charlie:alphax:bravo:', expected 'alpha:bravo:charlie:')}}
|
|
f22(charlie: 0, alpha: 1, bravox: 2) // expected-error {{incorrect argument labels in call (have 'charlie:alpha:bravox:', expected 'alpha:bravo:charlie:')}}
|
|
f22(charliex: 0, alpha: 1, bravo: 2) // expected-error {{incorrect argument labels in call (have 'charliex:alpha:bravo:', expected 'alpha:bravo:charlie:')}}
|
|
f23(charlie: 0, alphax: 1, bravo: 2) // expected-error {{incorrect argument labels in call (have 'charlie:alphax:bravo:', expected 'alpha:bravo:charlie:')}}
|
|
f23(charlie: 0, alpha: 1, bravox: 2) // expected-error {{argument 'alpha' must precede argument 'charlie'}}
|
|
f23(charliex: 0, alpha: 1, bravo: 2) // expected-error {{incorrect argument labels in call (have 'charliex:alpha:bravo:', expected 'alpha:bravo:charlie:')}}
|
|
}
|
|
|
|
func f31(alpha: Int, bravo: Int, charlie: Int, delta: Int) {}
|
|
func f32(alpha: Int = -1, bravo: Int = -1, charlie: Int, delta: Int) {}
|
|
func f33(alpha: Int = -1, bravo: Int = -1, charlie: Int, delta: Int = -1) {}
|
|
|
|
func test3() {
|
|
// BACD
|
|
f31(bravo: 0, alphax: 2, charlie: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:charlie:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f31(bravox: 0, alpha: 2, charlie: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f31(bravo: 0, alpha: 2, charliex: 2, delta: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f31(bravo: 0, alpha: 2, charlie: 2, deltax: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f32(bravo: 0, alphax: 2, charlie: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:charlie:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f32(bravox: 0, alpha: 2, charlie: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f32(bravo: 0, alpha: 2, charliex: 2, delta: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f32(bravo: 0, alpha: 2, charlie: 2, deltax: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f33(bravo: 0, alphax: 2, charlie: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravo:alphax:charlie:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f33(bravox: 0, alpha: 2, charlie: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravox:alpha:charlie:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f33(bravo: 0, alpha: 2, charliex: 2, delta: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f33(bravo: 0, alpha: 2, charlie: 2, deltax: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
|
|
// BCAD
|
|
f31(bravo: 0, charlie: 1, alphax: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravo:charlie:alphax:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f31(bravox: 0, charlie: 1, alpha: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravox:charlie:alpha:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f31(bravo: 0, charliex: 1, alpha: 2, delta: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f31(bravo: 0, charlie: 1, alpha: 2, deltax: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f32(bravo: 0, charlie: 1, alphax: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravo:charlie:alphax:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f32(bravox: 0, charlie: 1, alpha: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravox:charlie:alpha:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f32(bravo: 0, charliex: 1, alpha: 2, delta: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f32(bravo: 0, charlie: 1, alpha: 2, deltax: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f33(bravo: 0, charlie: 1, alphax: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravo:charlie:alphax:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f33(bravox: 0, charlie: 1, alpha: 2, delta: 3) // expected-error {{incorrect argument labels in call (have 'bravox:charlie:alpha:delta:', expected 'alpha:bravo:charlie:delta:')}}
|
|
f33(bravo: 0, charliex: 1, alpha: 2, delta: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
f33(bravo: 0, charlie: 1, alpha: 2, deltax: 3) // expected-error {{argument 'alpha' must precede argument 'bravo'}}
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------
|
|
// Subscript keyword arguments
|
|
// -------------------------------------------
|
|
|
|
struct Sub1 {
|
|
subscript (i: Int) -> Int {
|
|
get { return i }
|
|
}
|
|
}
|
|
|
|
var sub1 = Sub1()
|
|
var i: Int = 0
|
|
i = sub1[i]
|
|
i = sub1[i: i] // expected-error{{extraneous argument label 'i:' in subscript}} {{10-13=}}
|
|
|
|
struct Sub2 {
|
|
subscript (d d: Double) -> Double {
|
|
get { return d }
|
|
}
|
|
}
|
|
|
|
var sub2 = Sub2()
|
|
var d: Double = 0.0
|
|
d = sub2[d] // expected-error{{missing argument label 'd:' in subscript}} {{10-10=d: }}
|
|
d = sub2[d: d]
|
|
d = sub2[f: d] // expected-error{{incorrect argument label in subscript (have 'f:', expected 'd:')}} {{10-11=d}}
|
|
|
|
// -------------------------------------------
|
|
// Closures
|
|
// -------------------------------------------
|
|
func intToInt(_ i: Int) -> Int { return i }
|
|
|
|
func testClosures() {
|
|
let c0 = { (x: Int, y: Int) in x + y }
|
|
_ = c0(1, 2)
|
|
|
|
let c1 = { x, y in intToInt(x + y) }
|
|
_ = c1(1, 2)
|
|
|
|
let c2 = { intToInt($0 + $1) }
|
|
_ = c2(1, 2)
|
|
}
|
|
|
|
func acceptAutoclosure(f: @autoclosure () -> Int) { }
|
|
func produceInt() -> Int { }
|
|
acceptAutoclosure(f: produceInt) // expected-error{{add () to forward @autoclosure parameter}} {{32-32=()}}
|
|
|
|
// -------------------------------------------
|
|
// Trailing closures
|
|
// -------------------------------------------
|
|
func trailingclosure1(x: Int, f: () -> Int) {}
|
|
|
|
trailingclosure1(x: 1) { return 5 }
|
|
trailingclosure1(1) { return 5 } // expected-error{{missing argument label 'x:' in call}}{{18-18=x: }}
|
|
|
|
trailingclosure1(x: 1, { return 5 }) // expected-error{{missing argument label 'f:' in call}} {{24-24=f: }}
|
|
|
|
func trailingclosure2(x: Int, f: (() -> Int)?...) {}
|
|
trailingclosure2(x: 5) { return 5 }
|
|
|
|
func trailingclosure3(x: Int, f: (() -> Int)!) {
|
|
var f = f
|
|
f = nil
|
|
_ = f
|
|
}
|
|
|
|
trailingclosure3(x: 5) { return 5 }
|
|
|
|
func trailingclosure4(f: () -> Int) {}
|
|
trailingclosure4 { 5 }
|
|
|
|
func trailingClosure5<T>(_ file: String = #file, line: UInt = #line, expression: () -> T?) { }
|
|
func trailingClosure6<T>(value: Int, expression: () -> T?) { }
|
|
|
|
trailingClosure5(file: "hello", line: 17) { // expected-error{{extraneous argument label 'file:' in call}}{{18-24=}}
|
|
return Optional.Some(5)
|
|
// expected-error@-1 {{enum type 'Optional<Wrapped>' has no case 'Some'; did you mean 'some'?}} {{19-23=some}}
|
|
// expected-error@-2 {{generic parameter 'Wrapped' could not be inferred}}
|
|
// expected-note@-3 {{explicitly specify the generic arguments to fix this issue}}
|
|
}
|
|
trailingClosure6(5) { // expected-error{{missing argument label 'value:' in call}}{{18-18=value: }}
|
|
return Optional.Some(5)
|
|
// expected-error@-1 {{enum type 'Optional<Wrapped>' has no case 'Some'; did you mean 'some'?}} {{19-23=some}}
|
|
// expected-error@-2 {{generic parameter 'Wrapped' could not be inferred}}
|
|
// expected-note@-3 {{explicitly specify the generic arguments to fix this issue}}
|
|
}
|
|
|
|
class MismatchOverloaded1 {
|
|
func method1(_ x: Int!, arg: ((Int) -> Int)!) { }
|
|
func method1(_ x: Int!, secondArg: ((Int) -> Int)!) { }
|
|
|
|
@available(*, unavailable)
|
|
func method2(_ x: Int!, arg: ((Int) -> Int)!) { }
|
|
|
|
func method2(_ x: Int!, secondArg: ((Int) -> Int)!) { }
|
|
}
|
|
|
|
var mismatchOverloaded1 = MismatchOverloaded1()
|
|
mismatchOverloaded1.method1(5, arg: nil)
|
|
mismatchOverloaded1.method1(5, secondArg: nil)
|
|
|
|
// Prefer available to unavailable declaration, if it comes up.
|
|
mismatchOverloaded1.method2(5) { $0 }
|
|
|
|
// -------------------------------------------
|
|
// Values of function type
|
|
// -------------------------------------------
|
|
func testValuesOfFunctionType(_ f1: (_: Int, _ arg: Int) -> () ) {
|
|
f1(3, arg: 5) // expected-error{{extraneous argument label 'arg:' in call}}{{9-14=}}
|
|
f1(x: 3, 5) // expected-error{{extraneous argument label 'x:' in call}} {{6-9=}}
|
|
f1(3, 5)
|
|
}
|
|
|
|
|
|
// -------------------------------------------
|
|
// Literals
|
|
// -------------------------------------------
|
|
func string_literals1(x: String) { }
|
|
string_literals1(x: "hello")
|
|
|
|
func int_literals1(x: Int) { }
|
|
int_literals1(x: 1)
|
|
|
|
func float_literals1(x: Double) { }
|
|
float_literals1(x: 5)
|
|
|
|
// -------------------------------------------
|
|
// Tuples as arguments
|
|
// -------------------------------------------
|
|
func produceTuple1() -> (Int, Bool) { return (1, true) }
|
|
|
|
func acceptTuple1<T>(_ x: (T, Bool)) { }
|
|
|
|
acceptTuple1(produceTuple1())
|
|
acceptTuple1((1, false))
|
|
acceptTuple1(1, false) // expected-error {{global function 'acceptTuple1' expects a single parameter of type '(T, Bool)' [with T = Int]}} {{14-14=(}} {{22-22=)}}
|
|
|
|
func acceptTuple2<T>(_ input : T) -> T { return input }
|
|
var tuple1 = (1, "hello")
|
|
_ = acceptTuple2(tuple1)
|
|
_ = acceptTuple2((1, "hello", 3.14159))
|
|
|
|
|
|
func generic_and_missing_label(x: Int) {}
|
|
func generic_and_missing_label<T>(x: T) {}
|
|
|
|
generic_and_missing_label(42)
|
|
// expected-error@-1 {{missing argument label 'x:' in call}} {{27-27=x: }}
|