diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/consts/const-fn-mismatch.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/const-fn-mismatch.rs')
-rw-r--r-- | tests/ui/consts/const-fn-mismatch.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/consts/const-fn-mismatch.rs b/tests/ui/consts/const-fn-mismatch.rs new file mode 100644 index 000000000..3107b8128 --- /dev/null +++ b/tests/ui/consts/const-fn-mismatch.rs @@ -0,0 +1,17 @@ +// Test that we can't declare a const fn in an impl -- right now it's +// just not allowed at all, though eventually it'd make sense to allow +// it if the trait fn is const (but right now no trait fns can be +// const). + +trait Foo { + fn f() -> u32; +} + +impl Foo for u32 { + const fn f() -> u32 { + //~^ ERROR functions in traits cannot be declared const + 22 + } +} + +fn main() {} |