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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/generic_const_exprs/fn_call.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/generic_const_exprs/fn_call.rs')
-rw-r--r-- | src/test/ui/const-generics/generic_const_exprs/fn_call.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/fn_call.rs b/src/test/ui/const-generics/generic_const_exprs/fn_call.rs new file mode 100644 index 000000000..cbe4277df --- /dev/null +++ b/src/test/ui/const-generics/generic_const_exprs/fn_call.rs @@ -0,0 +1,30 @@ +// run-pass +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +const fn test_me<T>(a: usize, b: usize) -> usize { + if a < b { + std::mem::size_of::<T>() + } else { + usize::MAX + } +} + +fn test_simple<T>() -> [u8; std::mem::size_of::<T>()] +where + [u8; std::mem::size_of::<T>()]: Sized, +{ + [0; std::mem::size_of::<T>()] +} + +fn test_with_args<T, const N: usize>() -> [u8; test_me::<T>(N, N + 1) + N] +where + [u8; test_me::<T>(N, N + 1) + N]: Sized, +{ + [0; test_me::<T>(N, N + 1) + N] +} + +fn main() { + assert_eq!([0; 8], test_simple::<u64>()); + assert_eq!([0; 12], test_with_args::<u64, 4>()); +} |