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Contents
/// Helper trait used to add `unsigned()` methods to primitive signed integer
/// types.
///
/// The purpose of this trait is to signal the intent that the sign bit of a
/// signed integer is intended to be discarded and the value is instead
/// understood to be a "bag of bits" where the conversion to an unsigned number
/// is intended to be lossless. This can be used for example when converting a
/// signed integer into a larger width with zero-extension.
pub trait Unsigned {
/// The unsigned integer for this type which has the same width.
type Unsigned;
/// View this signed integer as an unsigned integer of the same width.
///
/// All bits are preserved.
fn unsigned(self) -> Self::Unsigned;
}
impl Unsigned for i8 {
type Unsigned = u8;
#[inline]
fn unsigned(self) -> u8 {
self as u8
}
}
impl Unsigned for i16 {
type Unsigned = u16;
#[inline]
fn unsigned(self) -> u16 {
self as u16
}
}
impl Unsigned for i32 {
type Unsigned = u32;
#[inline]
fn unsigned(self) -> u32 {
self as u32
}
}
impl Unsigned for i64 {
type Unsigned = u64;
#[inline]
fn unsigned(self) -> u64 {
self as u64
}
}
impl Unsigned for i128 {
type Unsigned = u128;
#[inline]
fn unsigned(self) -> u128 {
self as u128
}
}
impl Unsigned for isize {
type Unsigned = usize;
#[inline]
fn unsigned(self) -> usize {
self as usize
}
}
Version data entries
17 entries across 17 versions & 1 rubygems