diff options
| -rw-r--r-- | library/alloc/src/boxed.rs | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index 949079e5b69..e87303749b4 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -390,7 +390,12 @@ impl<T, A: Allocator> Box<T, A> { // #[unstable(feature = "new_uninit", issue = "63291")] pub fn new_uninit_in(alloc: A) -> Box<mem::MaybeUninit<T>, A> { let layout = Layout::new::<mem::MaybeUninit<T>>(); - Box::try_new_uninit_in(alloc).unwrap_or_else(|_| handle_alloc_error(layout)) + // NOTE: Prefer match over unwrap_or_else since closure sometimes not inlineable. + // That would make code size bigger. + match Box::try_new_uninit_in(alloc) { + Ok(m) => m, + Err(_) => handle_alloc_error(layout), + } } /// Constructs a new box with uninitialized contents in the provided allocator, @@ -447,7 +452,12 @@ impl<T, A: Allocator> Box<T, A> { // #[unstable(feature = "new_uninit", issue = "63291")] pub fn new_zeroed_in(alloc: A) -> Box<mem::MaybeUninit<T>, A> { let layout = Layout::new::<mem::MaybeUninit<T>>(); - Box::try_new_zeroed_in(alloc).unwrap_or_else(|_| handle_alloc_error(layout)) + // NOTE: Prefer match over unwrap_or_else since closure sometimes not inlineable. + // That would make code size bigger. + match Box::try_new_zeroed_in(alloc) { + Ok(m) => m, + Err(_) => handle_alloc_error(layout), + } } /// Constructs a new `Box` with uninitialized contents, with the memory |