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| author | Nicholas Nethercote <n.nethercote@gmail.com> | 2021-11-26 13:36:39 +1100 |
|---|---|---|
| committer | Nicholas Nethercote <n.nethercote@gmail.com> | 2021-11-26 19:30:35 +1100 |
| commit | 026edbb4ef85ef3d38876548a771b7c72c87803f (patch) | |
| tree | 6859234c043c8ae1db171f6bce7fcb94441a7a81 | |
| parent | 8a48b376d559f26a9b8fc1f1d597acb0bc0a51f9 (diff) | |
| download | rust-026edbb4ef85ef3d38876548a771b7c72c87803f.tar.gz rust-026edbb4ef85ef3d38876548a771b7c72c87803f.zip | |
Use unchecked construction in `Layout::pad_to_align`.
Other, similar methods for `Layout` do likewise, and there's already an `unwrap()` around the result demonstrating the safety.
| -rw-r--r-- | library/core/src/alloc/layout.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/library/core/src/alloc/layout.rs b/library/core/src/alloc/layout.rs index cc32d5223b4..a9abb8d2d59 100644 --- a/library/core/src/alloc/layout.rs +++ b/library/core/src/alloc/layout.rs @@ -281,7 +281,9 @@ impl Layout { // > `usize::MAX`) let new_size = self.size() + pad; - Layout::from_size_align(new_size, self.align()).unwrap() + // SAFETY: self.align is already known to be valid and new_size has been + // padded already. + unsafe { Layout::from_size_align_unchecked(new_size, self.align()) } } /// Creates a layout describing the record for `n` instances of |