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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /src/test/ui/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs b/src/test/ui/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs new file mode 100644 index 000000000..78a64b901 --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/tilde-const-and-const-params.rs @@ -0,0 +1,34 @@ +#![feature(const_trait_impl)] +#![feature(generic_arg_infer)] +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +struct Foo<const N: usize>; + +impl<const N: usize> Foo<N> { + fn add<A: ~const Add42>(self) -> Foo<{ A::add(N) }> { + Foo + } +} + +#[const_trait] +trait Add42 { + fn add(a: usize) -> usize; +} + +impl const Add42 for () { + fn add(a: usize) -> usize { + a + 42 + } +} + +fn bar<A: ~const Add42, const N: usize>(_: Foo<N>) -> Foo<{ A::add(N) }> { + //~^ ERROR `~const` is not allowed here + Foo +} + +fn main() { + let foo = Foo::<0>; + let foo = bar::<(), _>(foo); + let _foo = bar::<(), _>(foo); +} |