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Diffstat (limited to 'tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs')
-rw-r--r-- | tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs b/tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs new file mode 100644 index 000000000..769e3ae68 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/nested-abstract-consts-2.rs @@ -0,0 +1,35 @@ +// run-pass +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +struct Generic<const K: u64>; + +struct ConstU64<const K: u64>; + +impl<const K: u64> Generic<K> +where + ConstU64<{ K - 1 }>: , +{ + fn foo(self) -> u64 { + K + } +} + +impl<const K: u64> Generic<K> +where + ConstU64<{ K - 1 }>: , + ConstU64<{ K + 1 }>: , + ConstU64<{ K + 1 - 1 }>: , +{ + fn bar(self) -> u64 { + let x: Generic<{ K + 1 }> = Generic; + x.foo() + } +} + +fn main() { + assert_eq!((Generic::<10>).bar(), 11); +} + +// Test that the ``ConstU64<{ K + 1 - 1}>`` bound on ``bar``'s impl block satisfies the +// ``ConstU64<{K - 1}>`` bound on ``foo``'s impl block |