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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:50 +0000 |
commit | 2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch) | |
tree | d325add32978dbdc1db975a438b3a77d571b1ab8 /library/alloc/src/macros.rs | |
parent | Releasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.zip |
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/alloc/src/macros.rs')
-rw-r--r-- | library/alloc/src/macros.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/alloc/src/macros.rs b/library/alloc/src/macros.rs index 5198bf297..4c6ae8f25 100644 --- a/library/alloc/src/macros.rs +++ b/library/alloc/src/macros.rs @@ -48,6 +48,8 @@ macro_rules! vec { ); ($($x:expr),+ $(,)?) => ( $crate::__rust_force_expr!(<[_]>::into_vec( + // This rustc_box is not required, but it produces a dramatic improvement in compile + // time when constructing arrays with many elements. #[rustc_box] $crate::boxed::Box::new([$($x),+]) )) |