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If a generic parameter is not referred to from a function signature, it can never be inferred and thus such a function can never be invoked.
We now produce the following error:
generic parameter 'T' is not used in function signature
func f8<T> (x: Int) {}
This commit takes Jordan't comments on r28181 into account:
- it produces a shorter error message
- it does not change the compiler_crashers_fixed test and add a new expected error instead
Swift SVN r28194
11 lines
386 B
Swift
11 lines
386 B
Swift
// RUN: %target-swift-frontend %s -parse -verify
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// Distributed under the terms of the MIT license
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// Test case submitted to project by https://github.com/owensd (David Owens II)
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func a<T>() { // expected-error {{generic parameter 'T' is not used in function signature}}
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enum b { // expected-error {{type 'b' nested in generic function 'a' is not allowed}}
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case c
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}
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}
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