nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-02-17 17:33:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Clarify transmute_copy documentation example

Browse Source
This commit is contained in:
Adam Schwalm 2019-11-16 14:47:33 -06:00
parent 3f07f1cd78
commit 3407c49c41
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/libcore/mem/mod.rs
View File

@ -744,11 +744,11 @@ pub fn drop<T>(_x: T) { }
/// bar: u8,
/// }
///
/// let foo_slice = [10u8];
/// let foo_array = [10u8];
///
/// unsafe {
/// // Copy the data from 'foo_slice' and treat it as a 'Foo'
/// let mut foo_struct: Foo = mem::transmute_copy(&foo_slice);
/// // Copy the data from 'foo_array' and treat it as a 'Foo'
/// let mut foo_struct: Foo = mem::transmute_copy(&foo_array);
/// assert_eq!(foo_struct.bar, 10);
///
/// // Modify the copied data
@ -756,8 +756,8 @@ pub fn drop<T>(_x: T) { }
/// assert_eq!(foo_struct.bar, 20);
/// }
///
/// // The contents of 'foo_slice' should not have changed
/// assert_eq!(foo_slice, [10]);
/// // The contents of 'foo_array' should not have changed
/// assert_eq!(foo_array, [10]);
/// ```
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]