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Display binary notation for numeric swap_bytes methods.

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This better illustrates what's happening to the bits behind the scenes.
This commit is contained in:
Corey Farwell
2017-12-17 16:02:11 -05:00
parent 4f2ef415ba
commit 05cb6a5857
1 changed files with 12 additions and 6 deletions
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18
src/libcore/num/mod.rs
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@@ -273,10 +273,13 @@ macro_rules! int_impl {
/// Basic usage:
///
/// ```
/// let n = 0x0123456789ABCDEFi64;
/// let m = -0x1032547698BADCFFi64;
/// let n: i16 = 0b0000000_01010101;
/// assert_eq!(n, 85);
///
/// assert_eq!(n.swap_bytes(), m);
/// let m = n.swap_bytes();
///
/// assert_eq!(m, 0b01010101_00000000);
/// assert_eq!(m, 21760);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[inline]
@@ -1466,10 +1469,13 @@ macro_rules! uint_impl {
/// Basic usage:
///
/// ```
/// let n = 0x0123456789ABCDEFu64;
/// let m = 0xEFCDAB8967452301u64;
/// let n: u16 = 0b0000000_01010101;
/// assert_eq!(n, 85);
///
/// assert_eq!(n.swap_bytes(), m);
/// let m = n.swap_bytes();
///
/// assert_eq!(m, 0b01010101_00000000);
/// assert_eq!(m, 21760);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[inline]