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| author | Scott McMurray <scottmcm@users.noreply.github.com> | 2019-07-05 23:59:59 -0700 |
|---|---|---|
| committer | Scott McMurray <scottmcm@users.noreply.github.com> | 2019-07-07 11:31:38 -0700 |
| commit | d6a9793722c1ab6066f4f71224aac078b54f03c0 (patch) | |
| tree | 5b5b0c2a6ca83be7756b4066ad26df4cc30a0ca3 /src/test/ui/const-generics/derive-debug-array-wrapper.rs | |
| parent | 481068a707679257e2a738b40987246e0420e787 (diff) | |
| download | rust-d6a9793722c1ab6066f4f71224aac078b54f03c0.tar.gz rust-d6a9793722c1ab6066f4f71224aac078b54f03c0.zip | |
Use const generics for array impls, restricted to 0..=32
- uses a never-stable core::array::LengthAtMost32 to bound the impls - includes a custom error message to avoid mentioning LengthAtMost32 too often - doesn't use macros for the slice implementations to avoid #62433
Diffstat (limited to 'src/test/ui/const-generics/derive-debug-array-wrapper.rs')
| -rw-r--r-- | src/test/ui/const-generics/derive-debug-array-wrapper.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/test/ui/const-generics/derive-debug-array-wrapper.rs b/src/test/ui/const-generics/derive-debug-array-wrapper.rs index a29cb90ebb7..eee634c1564 100644 --- a/src/test/ui/const-generics/derive-debug-array-wrapper.rs +++ b/src/test/ui/const-generics/derive-debug-array-wrapper.rs @@ -3,7 +3,7 @@ #[derive(Debug)] struct X<const N: usize> { - a: [u32; N], //~ ERROR `[u32; _]` doesn't implement `std::fmt::Debug` + a: [u32; N], //~ ERROR arrays only have std trait implementations for lengths 0..=32 } fn main() {} |