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Using `-dump-parse` on `func foo<T>(bar: T) {}` results in:
```
(source_file
(func_decl "foo(bar:)"<T>
(parameter_list
(parameter "bar" apiName=bar))
(brace_stmt)))
```
Notice there is no space between "foo(bar:)" and <T>.
Add a space to correct the formatting error.
35 lines
1.4 KiB
Swift
35 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend -dump-ast %s 2>&1 | %FileCheck %s
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func doSomething<T>(_ t: T) {}
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// CHECK: func_decl "outerGeneric(t:x:)" <T> interface type='<T> (t: T, x: AnyObject) -> ()'
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func outerGeneric<T>(t: T, x: AnyObject) {
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// Simple case -- closure captures outer generic parameter
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// CHECK: closure_expr type='() -> ()' {{.*}} discriminator=0 captures=(<generic> t) single-expression
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_ = { doSomething(t) }
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// Special case -- closure does not capture outer generic parameters
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// CHECK: closure_expr type='() -> ()' {{.*}} discriminator=1 captures=(x) single-expression
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_ = { doSomething(x) }
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// Special case -- closure captures outer generic parameter, but it does not
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// appear as the type of any expression
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// CHECK: closure_expr type='() -> ()' {{.*}} discriminator=2 captures=(<generic> x)
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_ = { if x is T {} }
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// Nested generic functions always capture outer generic parameters, even if
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// they're not mentioned in the function body
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// CHECK: func_decl "innerGeneric(u:)" <U> interface type='<T, U> (u: U) -> ()' {{.*}} captures=(<generic> )
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func innerGeneric<U>(u: U) {}
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// Make sure we look through typealiases
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typealias TT = (a: T, b: T)
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// CHECK: func_decl "localFunction(tt:)" interface type='<T> (tt: TT) -> ()' {{.*}} captures=(<generic> )
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func localFunction(tt: TT) {}
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// CHECK: closure_expr type='((a: T, b: T)) -> ()' {{.*}} captures=(<generic> )
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let _: (TT) -> () = { _ in }
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}
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