Trait alloc::fmt::LowerHex 1.0.0
[−]
[src]
x formatting.
The LowerHex trait should format its output as a number in hexadecimal, with a through f
in lower case.
For primitive signed integers (i8 to i128, and isize),
negative values are formatted as the two’s complement representation.
The alternate flag, #, adds a 0x in front of the output.
For more information on formatters, see the module-level documentation.
Examples
Basic usage with i32:
let x = 42; // 42 is '2a' in hex assert_eq!(format!("{:x}", x), "2a"); assert_eq!(format!("{:#x}", x), "0x2a"); assert_eq!(format!("{:x}", -16), "fffffff0");
Implementing LowerHex on a type:
use std::fmt; struct Length(i32); impl fmt::LowerHex for Length { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { let val = self.0; write!(f, "{:x}", val) // delegate to i32's implementation } } let l = Length(9); println!("l as hex is: {:x}", l);
Required Methods
Implementations on Foreign Types
impl LowerHex for i64x2[src]
impl LowerHex for i64x2impl LowerHex for NonZeroI128[src]
impl LowerHex for NonZeroI128impl LowerHex for NonZeroU64[src]
impl LowerHex for NonZeroU64impl LowerHex for NonZeroIsize[src]
impl LowerHex for NonZeroIsizeimpl LowerHex for i8x16[src]
impl LowerHex for i8x16impl<T> LowerHex for Wrapping<T> where
T: LowerHex, [src]
impl<T> LowerHex for Wrapping<T> where
T: LowerHex, impl LowerHex for u16x4[src]
impl LowerHex for u16x4impl LowerHex for i8x8[src]
impl LowerHex for i8x8impl LowerHex for i16x16[src]
impl LowerHex for i16x16impl LowerHex for u8x16[src]
impl LowerHex for u8x16impl LowerHex for i32x4[src]
impl LowerHex for i32x4impl LowerHex for u16x16[src]
impl LowerHex for u16x16impl LowerHex for u8x2[src]
impl LowerHex for u8x2impl LowerHex for i16x32[src]
impl LowerHex for i16x32impl LowerHex for i16x4[src]
impl LowerHex for i16x4impl LowerHex for i8x2[src]
impl LowerHex for i8x2impl LowerHex for NonZeroI16[src]
impl LowerHex for NonZeroI16impl LowerHex for u32x8[src]
impl LowerHex for u32x8impl LowerHex for i32x16[src]
impl LowerHex for i32x16impl LowerHex for u8x32[src]
impl LowerHex for u8x32impl LowerHex for NonZeroI64[src]
impl LowerHex for NonZeroI64impl LowerHex for NonZeroU16[src]
impl LowerHex for NonZeroU16impl LowerHex for u64x4[src]
impl LowerHex for u64x4impl LowerHex for u8x64[src]
impl LowerHex for u8x64impl LowerHex for i32x8[src]
impl LowerHex for i32x8impl LowerHex for NonZeroUsize[src]
impl LowerHex for NonZeroUsizeimpl LowerHex for i8x32[src]
impl LowerHex for i8x32impl LowerHex for u16x2[src]
impl LowerHex for u16x2impl LowerHex for u64x8[src]
impl LowerHex for u64x8impl LowerHex for i8x64[src]
impl LowerHex for i8x64impl LowerHex for i8x4[src]
impl LowerHex for i8x4impl LowerHex for i32x2[src]
impl LowerHex for i32x2impl LowerHex for u16x8[src]
impl LowerHex for u16x8impl LowerHex for u16x32[src]
impl LowerHex for u16x32impl LowerHex for NonZeroI8[src]
impl LowerHex for NonZeroI8impl LowerHex for NonZeroI32[src]
impl LowerHex for NonZeroI32impl LowerHex for NonZeroU32[src]
impl LowerHex for NonZeroU32impl LowerHex for i16x8[src]
impl LowerHex for i16x8impl LowerHex for u8x4[src]
impl LowerHex for u8x4impl LowerHex for NonZeroU128[src]
impl LowerHex for NonZeroU128impl LowerHex for i16x2[src]
impl LowerHex for i16x2impl LowerHex for u32x4[src]
impl LowerHex for u32x4impl LowerHex for i64x8[src]
impl LowerHex for i64x8impl LowerHex for u32x16[src]
impl LowerHex for u32x16impl LowerHex for u64x2[src]
impl LowerHex for u64x2impl LowerHex for NonZeroU8[src]
impl LowerHex for NonZeroU8impl LowerHex for i64x4[src]
impl LowerHex for i64x4impl LowerHex for u8x8[src]
impl LowerHex for u8x8impl LowerHex for u32x2[src]
impl LowerHex for u32x2Implementors
impl<'a, T> LowerHex for &'a T where
T: LowerHex + ?Sized,impl LowerHex for i16impl LowerHex for i32impl LowerHex for i8impl LowerHex for i128impl LowerHex for u32impl LowerHex for i64impl LowerHex for isizeimpl LowerHex for u8impl LowerHex for usizeimpl LowerHex for u16impl<'a, T> LowerHex for &'a mut T where
T: LowerHex + ?Sized,impl LowerHex for u64impl LowerHex for u128