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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/generic-associated-types/const-generics-gat-in-trait-return-type-1.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/const-generics-gat-in-trait-return-type-1.rs b/src/test/ui/generic-associated-types/const-generics-gat-in-trait-return-type-1.rs new file mode 100644 index 000000000..afde5f376 --- /dev/null +++ b/src/test/ui/generic-associated-types/const-generics-gat-in-trait-return-type-1.rs @@ -0,0 +1,21 @@ +// run-pass +#![feature(generic_associated_types)] + +// This test unsures that with_opt_const_param returns the +// def_id of the N param in the Foo::Assoc GAT. + +trait Foo { + type Assoc<const N: usize>; + fn foo(&self) -> Self::Assoc<3>; +} + +impl Foo for () { + type Assoc<const N: usize> = [(); N]; + fn foo(&self) -> Self::Assoc<3> { + [(); 3] + } +} + +fn main() { + assert_eq!(().foo(), [(); 3]); +} |