mirror of https://github.com/rust-lang/rust
31 lines
456 B
Rust
31 lines
456 B
Rust
trait Foo<A> {
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fn foo(&self, a: A) -> A {
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a
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}
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}
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trait NotRelevant<A> {
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fn nr(&self, a: A) -> A {
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a
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}
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}
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struct Bar;
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impl Foo<i8> for Bar {}
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impl Foo<i16> for Bar {}
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impl Foo<i32> for Bar {}
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impl Foo<u8> for Bar {}
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impl Foo<u16> for Bar {}
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impl Foo<u32> for Bar {}
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impl NotRelevant<usize> for Bar {}
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fn main() {
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let f1 = Bar;
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f1.foo(1usize);
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//~^ error: the trait bound `Bar: Foo<usize>` is not satisfied
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}
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