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31 lines
1.2 KiB
Rust
31 lines
1.2 KiB
Rust
fn main() {
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f1(|_: (), _: ()| {}); //~ ERROR type mismatch
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f2(|_: (), _: ()| {}); //~ ERROR type mismatch
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f3(|_: (), _: ()| {}); //~ ERROR type mismatch
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f4(|_: (), _: ()| {}); //~ ERROR type mismatch
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f5(|_: (), _: ()| {}); //~ ERROR type mismatch
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g1(|_: (), _: ()| {}); //~ ERROR type mismatch
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g2(|_: (), _: ()| {}); //~ ERROR type mismatch
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g3(|_: (), _: ()| {}); //~ ERROR type mismatch
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g4(|_: (), _: ()| {}); //~ ERROR type mismatch
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h1(|_: (), _: (), _: (), _: ()| {}); //~ ERROR type mismatch
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h2(|_: (), _: (), _: (), _: ()| {}); //~ ERROR type mismatch
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}
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// Basic
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fn f1<F>(_: F) where F: Fn(&(), &()) {}
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fn f2<F>(_: F) where F: for<'a> Fn(&'a (), &()) {}
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fn f3<'a, F>(_: F) where F: Fn(&'a (), &()) {}
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fn f4<F>(_: F) where F: for<'r> Fn(&(), &'r ()) {}
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fn f5<F>(_: F) where F: for<'r> Fn(&'r (), &'r ()) {}
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// Nested
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fn g1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>) {}
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fn g2<F>(_: F) where F: Fn(&(), fn(&())) {}
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fn g3<F>(_: F) where F: for<'s> Fn(&'s (), Box<dyn Fn(&())>) {}
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fn g4<F>(_: F) where F: Fn(&(), for<'r> fn(&'r ())) {}
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// Mixed
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fn h1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>, &(), fn(&(), &())) {}
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fn h2<F>(_: F) where F: for<'t0> Fn(&(), Box<dyn Fn(&())>, &'t0 (), fn(&(), &())) {}
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