mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
cc65d2112d
`matchTypes` a success without applying new constraint fixes due to the presence of holes.
102 lines
3.8 KiB
Swift
102 lines
3.8 KiB
Swift
// RUN: %target-typecheck-verify-swift
|
|
|
|
@_functionBuilder // expected-error {{'@_functionBuilder' attribute cannot be applied to this declaration}}
|
|
var globalBuilder: Int
|
|
|
|
@_functionBuilder // expected-error {{'@_functionBuilder' attribute cannot be applied to this declaration}}
|
|
func globalBuilderFunction() -> Int { return 0 }
|
|
|
|
@_functionBuilder
|
|
struct Maker {}
|
|
|
|
@_functionBuilder
|
|
class Inventor {}
|
|
|
|
@Maker // expected-error {{function builder attribute 'Maker' can only be applied to a parameter, function, or computed property}}
|
|
typealias typename = Inventor
|
|
|
|
@Maker // expected-error {{function builder attribute 'Maker' can only be applied to a variable if it defines a getter}}
|
|
var global: Int
|
|
|
|
// FIXME: should this be allowed?
|
|
@Maker
|
|
var globalWithEmptyImplicitGetter: Int {}
|
|
// expected-error@-1 {{computed property must have accessors specified}}
|
|
// expected-error@-3 {{function builder attribute 'Maker' can only be applied to a variable if it defines a getter}}
|
|
|
|
@Maker
|
|
var globalWithEmptyExplicitGetter: Int { get {} } // expected-error{{type 'Maker' has no member 'buildBlock'}}
|
|
|
|
@Maker
|
|
var globalWithSingleGetter: Int { 0 } // expected-error {{ype 'Maker' has no member 'buildBlock'}}
|
|
|
|
@Maker
|
|
var globalWithMultiGetter: Int { 0; 0 } // expected-error {{ype 'Maker' has no member 'buildBlock'}}
|
|
|
|
@Maker
|
|
func globalFunction() {} // expected-error {{ype 'Maker' has no member 'buildBlock'}}
|
|
|
|
@Maker
|
|
func globalFunctionWithFunctionParam(fn: () -> ()) {} // expected-error {{ype 'Maker' has no member 'buildBlock'}}
|
|
|
|
func makerParam(@Maker
|
|
fn: () -> ()) {}
|
|
|
|
// FIXME: these diagnostics are reversed?
|
|
func makerParamRedundant(@Maker // expected-error {{only one function builder attribute can be attached to a parameter}}
|
|
@Maker // expected-note {{previous function builder specified here}}
|
|
fn: () -> ()) {}
|
|
|
|
func makerParamConflict(@Maker // expected-error {{only one function builder attribute can be attached to a parameter}}
|
|
@Inventor // expected-note {{previous function builder specified here}}
|
|
fn: () -> ()) {}
|
|
|
|
func makerParamMissing1(@Missing // expected-error {{unknown attribute 'Missing'}}
|
|
@Maker
|
|
fn: () -> ()) {}
|
|
|
|
func makerParamMissing2(@Maker
|
|
@Missing // expected-error {{unknown attribute 'Missing'}}
|
|
fn: () -> ()) {}
|
|
|
|
func makerParamExtra(@Maker(5) // expected-error {{function builder attributes cannot have arguments}}
|
|
fn: () -> ()) {}
|
|
|
|
func makerParamAutoclosure(@Maker // expected-error {{function builder attribute 'Maker' cannot be applied to an autoclosure parameter}}
|
|
fn: @autoclosure () -> ()) {}
|
|
|
|
@_functionBuilder
|
|
struct GenericMaker<T> {} // expected-note {{generic type 'GenericMaker' declared here}}
|
|
|
|
struct GenericContainer<T> { // expected-note {{generic type 'GenericContainer' declared here}}
|
|
@_functionBuilder
|
|
struct Maker {}
|
|
}
|
|
|
|
func makeParamUnbound(@GenericMaker // expected-error {{reference to generic type 'GenericMaker' requires arguments}}
|
|
fn: () -> ()) {}
|
|
|
|
func makeParamBound(@GenericMaker<Int>
|
|
fn: () -> ()) {}
|
|
|
|
func makeParamNestedUnbound(@GenericContainer.Maker // expected-error {{reference to generic type 'GenericContainer' requires arguments}}
|
|
fn: () -> ()) {}
|
|
|
|
func makeParamNestedBound(@GenericContainer<Int>.Maker
|
|
fn: () -> ()) {}
|
|
|
|
|
|
protocol P { }
|
|
|
|
@_functionBuilder
|
|
struct ConstrainedGenericMaker<T: P> {}
|
|
|
|
|
|
struct WithinGeneric<U> {
|
|
func makeParamBoundInContext(@GenericMaker<U> fn: () -> ()) {}
|
|
|
|
// expected-error@+1{{type 'U' does not conform to protocol 'P'}}
|
|
func makeParamBoundInContextBad(@ConstrainedGenericMaker<U>
|
|
fn: () -> ()) {}
|
|
}
|