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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/const-generics/issues/issue-68366.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/const-generics/issues/issue-68366.rs')
-rw-r--r-- | src/test/ui/const-generics/issues/issue-68366.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/issues/issue-68366.rs b/src/test/ui/const-generics/issues/issue-68366.rs new file mode 100644 index 000000000..4c2741ab4 --- /dev/null +++ b/src/test/ui/const-generics/issues/issue-68366.rs @@ -0,0 +1,20 @@ +// Checks that const expressions have a useful note explaining why they can't be evaluated. +// The note should relate to the fact that it cannot be shown forall N that it maps 1-1 to a new +// type. + +// revisions: full min +#![cfg_attr(full, feature(generic_const_exprs))] +#![cfg_attr(full, allow(incomplete_features))] + +struct Collatz<const N: Option<usize>>; + +impl <const N: usize> Collatz<{Some(N)}> {} +//~^ ERROR the const parameter +//[min]~^^ generic parameters may not be used in const operations + +struct Foo; + +impl<const N: usize> Foo {} +//~^ ERROR the const parameter + +fn main() {} |