diff options
Diffstat (limited to 'src/test/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs')
-rw-r--r-- | src/test/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs b/src/test/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs new file mode 100644 index 000000000..d45a6465b --- /dev/null +++ b/src/test/ui/const-generics/generic_const_exprs/nested_uneval_unification-2.rs @@ -0,0 +1,29 @@ +// run-pass +#![feature(generic_const_exprs)] +#![allow(incomplete_features, unused_parens, unused_braces)] + +fn zero_init<const N: usize>() -> Substs1<{ (N) }> +where + [u8; { (N) }]: , +{ + Substs1([0; { (N) }]) +} + +struct Substs1<const N: usize>([u8; { (N) }]) +where + [(); { (N) }]: ; + +fn substs2<const M: usize>() -> Substs1<{ (M) }> { + zero_init::<{ (M) }>() +} + +fn substs3<const L: usize>() -> Substs1<{ (L) }> { + substs2::<{ (L) }>() +} + +fn main() { + assert_eq!(substs3::<2>().0, [0; 2]); +} + +// Test that the implicit ``{ (L) }`` bound on ``substs3`` satisfies the +// ``{ (N) }`` bound on ``Substs1`` |