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50 lines
1.1 KiB
Swift
50 lines
1.1 KiB
Swift
// RUN: %target-run-simple-swift | %FileCheck %s
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// RUN: %target-build-swift -DVAR %s -o %t-var
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// RUN: %target-codesign %t-var
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// RUN: %target-run %t-var | %FileCheck %s
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// RUN: %target-build-swift -DVAR_UPDATE %s -o %t-var2
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// RUN: %target-codesign %t-var2
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// RUN: %target-run %t-var2 | %FileCheck %s
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// REQUIRES: executable_test
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#if VAR_UPDATE
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guard var x = Optional(0) else { fatalError() }
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#elseif VAR
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guard var x = Optional(42) else { fatalError() }
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#else
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guard let x = Optional(42) else { fatalError() }
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#endif
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_ = 0 // intervening code
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func function() {
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print("function: \(x)")
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}
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let closure: () -> Void = {
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print("closure: \(x)")
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}
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defer {
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print("deferred: \(x)")
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}
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#if VAR_UPDATE
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x = 42
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#endif
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let closureCapture: () -> Void = { [x] in
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// Must come after the assignment because of the capture by value.
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print("closure-capture: \(x)")
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}
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print("go! \(x)") // CHECK-LABEL: go! 42
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function() // CHECK-NEXT: function: 42
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closure() // CHECK-NEXT: closure: 42
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closureCapture() // CHECK-NEXT: closure-capture: 42
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print("done?") // CHECK-NEXT: done?
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// CHECK-NEXT: deferred: 42
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