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 i16x4[src]
impl LowerHex for i16x4impl LowerHex for i16x32[src]
impl LowerHex for i16x32impl LowerHex for u32x2[src]
impl LowerHex for u32x2impl LowerHex for NonZeroI64[src]
impl LowerHex for NonZeroI64impl LowerHex for i16x8[src]
impl LowerHex for i16x8impl LowerHex for NonZeroI16[src]
impl LowerHex for NonZeroI16impl LowerHex for NonZeroI8[src]
impl LowerHex for NonZeroI8impl LowerHex for i8x4[src]
impl LowerHex for i8x4impl LowerHex for i8x16[src]
impl LowerHex for i8x16impl LowerHex for u32x4[src]
impl LowerHex for u32x4impl LowerHex for u8x16[src]
impl LowerHex for u8x16impl LowerHex for u16x16[src]
impl LowerHex for u16x16impl LowerHex for i8x8[src]
impl LowerHex for i8x8impl LowerHex for u8x4[src]
impl LowerHex for u8x4impl LowerHex for u8x32[src]
impl LowerHex for u8x32impl LowerHex for i32x8[src]
impl LowerHex for i32x8impl LowerHex for i8x2[src]
impl LowerHex for i8x2impl LowerHex for u16x2[src]
impl LowerHex for u16x2impl LowerHex for NonZeroU64[src]
impl LowerHex for NonZeroU64impl LowerHex for NonZeroU16[src]
impl LowerHex for NonZeroU16impl LowerHex for u8x64[src]
impl LowerHex for u8x64impl LowerHex for i64x2[src]
impl LowerHex for i64x2impl<T> LowerHex for Wrapping<T> where
T: LowerHex, [src]
impl<T> LowerHex for Wrapping<T> where
T: LowerHex, impl LowerHex for u16x32[src]
impl LowerHex for u16x32impl LowerHex for u64x8[src]
impl LowerHex for u64x8impl LowerHex for i32x16[src]
impl LowerHex for i32x16impl LowerHex for i32x4[src]
impl LowerHex for i32x4impl LowerHex for NonZeroI128[src]
impl LowerHex for NonZeroI128impl LowerHex for i8x32[src]
impl LowerHex for i8x32impl LowerHex for i16x16[src]
impl LowerHex for i16x16impl LowerHex for u8x8[src]
impl LowerHex for u8x8impl LowerHex for NonZeroU128[src]
impl LowerHex for NonZeroU128impl LowerHex for i8x64[src]
impl LowerHex for i8x64impl LowerHex for NonZeroU32[src]
impl LowerHex for NonZeroU32impl LowerHex for u16x8[src]
impl LowerHex for u16x8impl LowerHex for i64x4[src]
impl LowerHex for i64x4impl LowerHex for i32x2[src]
impl LowerHex for i32x2impl LowerHex for NonZeroIsize[src]
impl LowerHex for NonZeroIsizeimpl LowerHex for u8x2[src]
impl LowerHex for u8x2impl LowerHex for u32x16[src]
impl LowerHex for u32x16impl LowerHex for u32x8[src]
impl LowerHex for u32x8impl LowerHex for NonZeroU8[src]
impl LowerHex for NonZeroU8impl LowerHex for i16x2[src]
impl LowerHex for i16x2impl LowerHex for u16x4[src]
impl LowerHex for u16x4impl LowerHex for NonZeroUsize[src]
impl LowerHex for NonZeroUsizeimpl LowerHex for u64x2[src]
impl LowerHex for u64x2impl LowerHex for u64x4[src]
impl LowerHex for u64x4impl LowerHex for i64x8[src]
impl LowerHex for i64x8impl LowerHex for NonZeroI32[src]
impl LowerHex for NonZeroI32Implementors
impl LowerHex for u32impl LowerHex for i16impl LowerHex for i128impl LowerHex for u16impl LowerHex for u128impl<'a, T> LowerHex for &'a mut T where
T: LowerHex + ?Sized,impl LowerHex for isizeimpl<'a, T> LowerHex for &'a T where
T: LowerHex + ?Sized,impl LowerHex for i8impl LowerHex for usizeimpl LowerHex for u64impl LowerHex for i32impl LowerHex for i64impl LowerHex for u8