src/test/ui/regions/regions-assoc-type-region-bound-in-trait-not-met.rs


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// Test that the compiler checks that arbitrary region bounds declared
// in the trait must be satisfied on the impl. Issue #20890.

trait Foo<'a> {
    type Value: 'a;
    fn dummy(&'a self) {}
}

impl<'a> Foo<'a> for &'a i16 {
    // OK.
    type Value = &'a i32;
}

impl<'a> Foo<'static> for &'a i32 {
    type Value = &'a i32;
    //~^ ERROR the type `&'a i32` does not fulfill the required lifetime
}

impl<'a, 'b> Foo<'b> for &'a i64 {
    type Value = &'a i32;
    //~^ ERROR the type `&'a i32` does not fulfill the required lifetime
}

fn main() {}