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8f30a0097a
Like a nested partial_apply reabstraction, but without the thunk, these change the representation of the function but can't escape it without breaking the nonescaping closure promotion. rdar://111060678
26 lines
564 B
Swift
26 lines
564 B
Swift
// RUN: %target-swift-frontend -emit-sil -verify %s
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// rdar://111060678
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protocol P {
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func doStuff() throws
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}
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struct A: ~Copyable {
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let b = B()
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consuming func f(_ p: some P) throws -> B {
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// Passing the closure here undergoes a SIL-level function conversion
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// from the concrete type `() -> Void` to `<T> () throws -> T`.
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try b.takeClosure {
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try b.takeP(p)
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}
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return B()
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}
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}
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struct B {
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func takeClosure<T>(_ f: () throws -> T) throws -> T { try f() }
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func takeP(_: some P) throws {}
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}
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