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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/const-generics/generic_const_exprs/array-size-in-generic-struct-param.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/const-generics/generic_const_exprs/array-size-in-generic-struct-param.rs')
-rw-r--r-- | tests/ui/const-generics/generic_const_exprs/array-size-in-generic-struct-param.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/const-generics/generic_const_exprs/array-size-in-generic-struct-param.rs b/tests/ui/const-generics/generic_const_exprs/array-size-in-generic-struct-param.rs new file mode 100644 index 000000000..7d3fe413c --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/array-size-in-generic-struct-param.rs @@ -0,0 +1,29 @@ +// Tests that array sizes that depend on const-params are checked using `ConstEvaluatable`. +// revisions: full min + +#![cfg_attr(full, feature(generic_const_exprs, adt_const_params))] +#![cfg_attr(full, allow(incomplete_features))] + +#[allow(dead_code)] +struct ArithArrayLen<const N: usize>([u32; 0 + N]); +//[full]~^ ERROR unconstrained generic constant +//[min]~^^ ERROR generic parameters may not be used in const operations + +#[derive(PartialEq, Eq)] +struct Config { + arr_size: usize, +} + +struct B<const CFG: Config> { + //[min]~^ ERROR `Config` is forbidden + arr: [u8; CFG.arr_size], + //[full]~^ ERROR overly complex generic constant + //[min]~^^ ERROR generic parameters may not be used in const operations +} + +const C: Config = Config { arr_size: 5 }; + +fn main() { + let b = B::<C> { arr: [1, 2, 3, 4, 5] }; + assert_eq!(b.arr.len(), 5); +} |