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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/generic-associated-types/generic-associated-types-where.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/generic-associated-types-where.rs b/src/test/ui/generic-associated-types/generic-associated-types-where.rs new file mode 100644 index 000000000..2ecbc8c59 --- /dev/null +++ b/src/test/ui/generic-associated-types/generic-associated-types-where.rs @@ -0,0 +1,28 @@ +#![feature(generic_associated_types)] + +// Checking the interaction with this other feature +#![feature(associated_type_defaults)] + +use std::fmt::{Display, Debug}; + +trait Foo { + type Assoc where Self: Sized; + type Assoc2<T> where T: Display; + type Assoc3<T>; + type WithDefault<'a, T: Debug + 'a>: ?Sized = dyn Iterator<Item=T>; + type NoGenerics; +} + +struct Bar; + +impl Foo for Bar { + type Assoc = usize; + type Assoc2<T> = Vec<T>; + //~^ ERROR `T` doesn't implement `std::fmt::Display` + type Assoc3<T> = Vec<T> where T: Iterator; + //~^ ERROR impl has stricter requirements than trait + type WithDefault<'a, T: Debug + 'a> = &'a dyn Iterator<Item=T>; + type NoGenerics = ::std::cell::Cell<i32>; +} + +fn main() {} |