27 lines
551 B
Rust
27 lines
551 B
Rust
//@ revisions: current next
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//@[next] compile-flags: -Znext-solver
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//@ ignore-compare-mode-next-solver (explicit revisions)
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// Test that a where clause attached to a method allows us to add
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// additional constraints to a parameter out of scope.
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struct Foo<T> {
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value: T,
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}
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struct Bar; // does not implement Eq
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impl<T> Foo<T> {
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fn equals(&self, u: &Foo<T>) -> bool
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where
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T: Eq,
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{
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self.value == u.value
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}
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}
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fn main() {
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let x = Foo { value: Bar };
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x.equals(&x);
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//~^ ERROR `Bar: Eq` is not satisfied
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}
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