diff options
Diffstat (limited to 'tests/ui/generic-associated-types/issue-76535.rs')
-rw-r--r-- | tests/ui/generic-associated-types/issue-76535.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/generic-associated-types/issue-76535.rs b/tests/ui/generic-associated-types/issue-76535.rs new file mode 100644 index 000000000..2457a05a0 --- /dev/null +++ b/tests/ui/generic-associated-types/issue-76535.rs @@ -0,0 +1,43 @@ +// revisions: base extended + +#![cfg_attr(extended, feature(generic_associated_types_extended))] +#![cfg_attr(extended, allow(incomplete_features))] + +pub trait SubTrait {} + +pub trait SuperTrait { + type SubType<'a>: SubTrait where Self: 'a; + + fn get_sub<'a>(&'a mut self) -> Self::SubType<'a>; +} + +pub struct SubStruct<'a> { + sup: &'a mut SuperStruct, +} + +impl<'a> SubTrait for SubStruct<'a> {} + +pub struct SuperStruct { + value: u8, +} + +impl SuperStruct { + pub fn new(value: u8) -> SuperStruct { + SuperStruct { value } + } +} + +impl SuperTrait for SuperStruct { + type SubType<'a> = SubStruct<'a>; + + fn get_sub<'a>(&'a mut self) -> Self::SubType<'a> { + SubStruct { sup: self } + } +} + +fn main() { + let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0)); + //~^ ERROR missing generics for associated type + //[base]~^^ ERROR the trait + //[base]~| ERROR the trait +} |