squiid/rust
1
0
Fork 0
Code Issues Pull requests Projects Activity

Notify users that this example is shared through integer types

Browse source
This commit is contained in:
Guillaume Gomez 2018-02-14 19:44:07 +01:00
parent 9a30673d2b
commit a58409dd91
1 changed files with 47 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

66
src/libcore/num/mod.rs
View file

@ -255,6 +255,9 @@ $EndFeature, "
///
/// # Examples
///
/// Please note that this example is shared between integer types.
/// Which explains why `i64` is used here.
///
/// Basic usage:
///
/// ```
@ -277,6 +280,9 @@ $EndFeature, "
///
/// # Examples
///
/// Please note that this example is shared between integer types.
/// Which explains why `i64` is used here.
///
/// Basic usage:
///
/// ```
@ -295,6 +301,9 @@ $EndFeature, "
///
/// # Examples
///
/// Please note that this example is shared between integer types.
/// Which explains why `i16` is used here.
///
/// Basic usage:
///
/// ```
@ -1362,13 +1371,13 @@ impl i128 {
#[cfg(target_pointer_width = "16")]
#[lang = "isize"]
impl isize {
int_impl! { isize, i16, u16, 16, "", "" }
int_impl! { isize, i16, u16, 16, -32768, 32767, "", "" }
}
#[cfg(target_pointer_width = "32")]
#[lang = "isize"]
impl isize {
int_impl! { isize, i32, u32, 32, "", "" }
int_impl! { isize, i32, u32, 32, -2147483648, 2147483647, "", "" }
}
#[cfg(target_pointer_width = "64")]
@ -1477,22 +1486,23 @@ Basic usage:
}
}
/// Returns the number of leading zeros in the binary representation
/// of `self`.
///
/// # Examples
///
/// Basic usage:
///
/// ```
/// let n = 0b0101000u16;
///
/// assert_eq!(n.leading_zeros(), 10);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[inline]
pub fn leading_zeros(self) -> u32 {
unsafe { intrinsics::ctlz(self as $ActualT) as u32 }
doc_comment! {
concat!("Returns the number of leading zeros in the binary representation of `self`.
# Examples
Basic usage:
```
", $Feature, "let n = ", stringify!($SelfT), "::max_value() >> 2;
assert_eq!(n.leading_zeros(), 2);", $EndFeature, "
```"),
#[stable(feature = "rust1", since = "1.0.0")]
#[inline]
pub fn leading_zeros(self) -> u32 {
unsafe { intrinsics::ctlz(self as $ActualT) as u32 }
}
}
doc_comment! {
@ -1537,6 +1547,9 @@ assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
///
/// Basic usage:
///
/// Please note that this example is shared between integer types.
/// Which explains why `u64` is used here.
///
/// ```
/// let n = 0x0123456789ABCDEFu64;
/// let m = 0x3456789ABCDEF012u64;
@ -1561,6 +1574,9 @@ assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
///
/// Basic usage:
///
/// Please note that this example is shared between integer types.
/// Which explains why `u64` is used here.
///
/// ```
/// let n = 0x0123456789ABCDEFu64;
/// let m = 0xDEF0123456789ABCu64;
@ -1581,6 +1597,9 @@ assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
///
/// Basic usage:
///
/// Please note that this example is shared between integer types.
/// Which explains why `u16` is used here.
///
/// ```
/// let n: u16 = 0b0000000_01010101;
/// assert_eq!(n, 85);
@ -1985,6 +2004,9 @@ $EndFeature, "
///
/// Basic usage:
///
/// Please note that this example is shared between integer types.
/// Which explains why `u8` is used here.
///
/// ```
/// assert_eq!(10u8.wrapping_mul(12), 120);
/// assert_eq!(25u8.wrapping_mul(12), 44);
@ -2054,6 +2076,9 @@ Basic usage:
///
/// Basic usage:
///
/// Please note that this example is shared between integer types.
/// Which explains why `i8` is used here.
///
/// ```
/// assert_eq!(100i8.wrapping_neg(), -100);
/// assert_eq!((-128i8).wrapping_neg(), -128);
@ -2187,7 +2212,10 @@ $EndFeature, "
///
/// # Examples
///
/// Basic usage
/// Basic usage:
///
/// Please note that this example is shared between integer types.
/// Which explains why `u32` is used here.
///
/// ```
/// assert_eq!(5u32.overflowing_mul(2), (10, false));