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4099e85da6
And provide better semantic background by surrounding 'nil' in ticks when it is referred to as a value Added missing tests for certain cases involving nil capitalization
31 lines
1.4 KiB
Swift
31 lines
1.4 KiB
Swift
// RUN: %target-typecheck-verify-swift
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var a: Int = nil
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// expected-error@-1 {{'nil' cannot initialize specified type 'Int'}}
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// expected-note@-2 {{add '?' to form the optional type 'Int?'}} {{11-11=?}}
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var b: () -> Void = nil
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// expected-error@-1 {{'nil' cannot initialize specified type '() -> Void'}}
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// expected-note@-2 {{add '?' to form the optional type '(() -> Void)?'}} {{8-8=(}} {{18-18=)?}}
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var c, d: Int = nil
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// expected-error@-1 {{type annotation missing in pattern}}
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// expected-error@-2 {{'nil' cannot initialize specified type 'Int'}}
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// expected-note@-3 {{add '?' to form the optional type 'Int?'}} {{14-14=?}}
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var (e, f): (Int, Int) = nil
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// expected-error@-1 {{'nil' cannot initialize specified type '(Int, Int)'}}
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var g: Int = nil, h: Int = nil
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// expected-error@-1 {{'nil' cannot initialize specified type 'Int'}}
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// expected-note@-2 {{add '?' to form the optional type 'Int?'}} {{11-11=?}}
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// expected-error@-3 {{'nil' cannot initialize specified type 'Int'}}
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// expected-note@-4 {{add '?' to form the optional type 'Int?'}} {{25-25=?}}
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var _: Int = nil
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// expected-error@-1 {{'nil' cannot initialize specified type 'Int'}}
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// expected-note@-2 {{add '?' to form the optional type 'Int?'}} {{11-11=?}}
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// 'nil' can initialize the specified type, if its generic parameters are bound
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var _: Array? = nil // expected-error {{generic parameter 'Element' could not be inferred}}
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