41 lines
790 B
Rust
41 lines
790 B
Rust
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// Test for issue #57362, ensuring that the self ty is shown in cases of higher-ranked lifetimes
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// conflicts: the `expected` and `found` trait refs would otherwise be printed the same, leading
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// to confusing notes such as:
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// = note: expected type `Trait`
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// found type `Trait`
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// from issue #57362
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trait Trait {
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fn f(self);
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}
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impl<T> Trait for fn(&T) {
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fn f(self) {
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println!("f");
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}
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}
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fn f() {
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let a: fn(_) = |_: &u8| {};
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a.f(); //~ ERROR not general enough
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}
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// extracted from a similar issue: #57642
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trait X {
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type G;
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fn make_g() -> Self::G;
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}
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impl<'a> X for fn(&'a ()) {
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type G = &'a ();
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fn make_g() -> Self::G {
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&()
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}
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}
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fn g() {
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let x = <fn (&())>::make_g(); //~ ERROR not general enough
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}
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fn main() {}
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