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Trait std::ops::Rem ​

余数运算符 %。

请注意，默认情况下 Rhs 是 Self，但这不是强制性的。

rust
pub trait Rem<Rhs = Self> {
    type Output;

    // Required method
    fn rem(self, rhs: Rhs) -> Self::Output;
}

本示例在 SplitSlice 对象上实现 Rem。 实现 Rem 后，可以使用 % 运算符将其拆分为给定长度的相等切片后，找出切片的其余元素。

rust
use std::ops::Rem;

#[derive(PartialEq, Debug)]
struct SplitSlice<'a, T> {
    slice: &'a [T],
}

impl<'a, T> Rem<usize> for SplitSlice<'a, T> {
    type Output = Self;

    fn rem(self, modulus: usize) -> Self::Output {
        let len = self.slice.len();
        let rem = len % modulus;
        let start = len - rem;
        Self {slice: &self.slice[start..]}
    }
}

// 如果将 &[0，1、2、3、4、5、6、7] 分成大小为 3 的切片，则其余部分将为 &[6，7]。
assert_eq!(SplitSlice { slice: &[0, 1, 2, 3, 4, 5, 6, 7] } % 3,
           SplitSlice { slice: &[6, 7] });

Required Associated Types ​

Output ​

应用 % 运算符后的结果类型。

rust
type Output

Required Methods ​

rem ​

rust
fn rem(self, rhs: Rhs) -> Self::Output

参数：

  • rhs：执行 % 操作的右值

返回值：返回取余后的值

rust
assert_eq!(12 % 10, 2);

​

Implementors ​

impl Rem<&f32> for &f32 ​

impl Rem<&f32> for f32 ​

impl Rem<&f64> for &f64 ​

impl Rem<&f64> for f64 ​

impl Rem<&i8> for &i8 ​

impl Rem<&i8> for i8 ​

impl Rem<&i16> for &i16 ​

impl Rem<&i16> for i16 ​

impl Rem<&i32> for &i32 ​

impl Rem<&i32> for i32 ​

impl Rem<&i64> for &i64 ​

impl Rem<&i64> for i64 ​

impl Rem<&i128> for &i128 ​

impl Rem<&i128> for i128 ​

impl Rem<&isize> for &isize ​

impl Rem<&isize> for isize ​

impl Rem<&u8> for &u8 ​

impl Rem<&u8> for u8 ​

impl Rem<&u16> for &u16 ​

impl Rem<&u16> for u16 ​

impl Rem<&u32> for &u32 ​

impl Rem<&u32> for u32 ​

impl Rem<&u64> for &u64 ​

impl Rem<&u64> for u64 ​

impl Rem<&u128> for &u128 ​

impl Rem<&u128> for u128 ​

impl Rem<&usize> for &usize ​

impl Rem<&usize> for usize ​

impl Rem<&Saturating<i8>> for &Saturating<i8> ​

impl Rem<&Saturating<i8>> for Saturating<i8> ​

impl Rem<&Saturating<i16>> for &Saturating<i16> ​

impl Rem<&Saturating<i16>> for Saturating<i16> ​

impl Rem<&Saturating<i32>> for &Saturating<i32> ​

impl Rem<&Saturating<i32>> for Saturating<i32> ​

impl Rem<&Saturating<i64>> for &Saturating<i64> ​

impl Rem<&Saturating<i64>> for Saturating<i64> ​

impl Rem<&Saturating<i128>> for &Saturating<i128> ​

impl Rem<&Saturating<i128>> for Saturating<i128> ​

impl Rem<&Saturating<isize>> for &Saturating<isize> ​

impl Rem<&Saturating<isize>> for Saturating<isize> ​

impl Rem<&Saturating<u8>> for &Saturating<u8> ​

impl Rem<&Saturating<u8>> for Saturating<u8> ​

impl Rem<&Saturating<u16>> for &Saturating<u16> ​

impl Rem<&Saturating<u16>> for Saturating<u16> ​

impl Rem<&Saturating<u32>> for &Saturating<u32> ​

impl Rem<&Saturating<u32>> for Saturating<u32> ​

impl Rem<&Saturating<u64>> for &Saturating<u64> ​

impl Rem<&Saturating<u64>> for Saturating<u64> ​

impl Rem<&Saturating<u128>> for &Saturating<u128> ​

impl Rem<&Saturating<u128>> for Saturating<u128> ​

impl Rem<&Saturating<usize>> for &Saturating<usize> ​

impl Rem<&Saturating<usize>> for Saturating<usize> ​

impl Rem<&Wrapping<i8>> for &Wrapping<i8> ​

impl Rem<&Wrapping<i8>> for Wrapping<i8> ​

impl Rem<&Wrapping<i16>> for &Wrapping<i16> ​

impl Rem<&Wrapping<i16>> for Wrapping<i16> ​

impl Rem<&Wrapping<i32>> for &Wrapping<i32> ​

impl Rem<&Wrapping<i32>> for Wrapping<i32> ​

impl Rem<&Wrapping<i64>> for &Wrapping<i64> ​

impl Rem<&Wrapping<i64>> for Wrapping<i64> ​

impl Rem<&Wrapping<i128>> for &Wrapping<i128> ​

impl Rem<&Wrapping<i128>> for Wrapping<i128> ​

impl Rem<&Wrapping<isize>> for &Wrapping<isize> ​

impl Rem<&Wrapping<isize>> for Wrapping<isize> ​

impl Rem<&Wrapping<u8>> for &Wrapping<u8> ​

impl Rem<&Wrapping<u8>> for Wrapping<u8> ​

impl Rem<&Wrapping<u16>> for &Wrapping<u16> ​

impl Rem<&Wrapping<u16>> for Wrapping<u16> ​

impl Rem<&Wrapping<u32>> for &Wrapping<u32> ​

impl Rem<&Wrapping<u32>> for Wrapping<u32> ​

impl Rem<&Wrapping<u64>> for &Wrapping<u64> ​

impl Rem<&Wrapping<u64>> for Wrapping<u64> ​

impl Rem<&Wrapping<u128>> for &Wrapping<u128> ​

impl Rem<&Wrapping<u128>> for Wrapping<u128> ​

impl Rem<&Wrapping<usize>> for &Wrapping<usize> ​

impl Rem<&Wrapping<usize>> for Wrapping<usize> ​

impl Rem<f32> for f32 ​

impl Rem<f64> for f64 ​

impl Rem<i8> for i8 ​

impl Rem<i16> for i16 ​

impl Rem<i32> for i32 ​

impl Rem<i64> for i64 ​

impl Rem<i128> for i128 ​

impl Rem<isize> for isize ​

impl Rem<u8> for u8 ​

impl Rem<u16> for u16 ​

impl Rem<u32> for u32 ​

impl Rem<u64> for u64 ​

impl Rem<u128> for u128 ​

impl Rem<usize> for usize ​

impl Rem<NonZeroU8> for u8 ​

impl Rem<NonZeroU16> for u16 ​

impl Rem<NonZeroU32> for u32 ​

impl Rem<NonZeroU64> for u64 ​

impl Rem<NonZeroU128> for u128 ​

impl Rem<NonZeroUsize> for usize ​

impl Rem<Saturating<i8>> for Saturating<i8> ​

impl Rem<Saturating<i16>> for Saturating<i16> ​

impl Rem<Saturating<i32>> for Saturating<i32> ​

impl Rem<Saturating<i64>> for Saturating<i64> ​

impl Rem<Saturating<i128>> for Saturating<i128> ​

impl Rem<Saturating<isize>> for Saturating<isize> ​

impl Rem<Saturating<u8>> for Saturating<u8> ​

impl Rem<Saturating<u16>> for Saturating<u16> ​

impl Rem<Saturating<u32>> for Saturating<u32> ​

impl Rem<Saturating<u64>> for Saturating<u64> ​

impl Rem<Saturating<u128>> for Saturating<u128> ​

impl Rem<Saturating<usize>> for Saturating<usize> ​

impl Rem<Wrapping<i8>> for Wrapping<i8> ​

impl Rem<Wrapping<i16>> for Wrapping<i16> ​

impl Rem<Wrapping<i32>> for Wrapping<i32> ​

impl Rem<Wrapping<i64>> for Wrapping<i64> ​

impl Rem<Wrapping<i128>> for Wrapping<i128> ​

impl Rem<Wrapping<isize>> for Wrapping<isize> ​

impl Rem<Wrapping<u8>> for Wrapping<u8> ​

impl Rem<Wrapping<u16>> for Wrapping<u16> ​

impl Rem<Wrapping<u32>> for Wrapping<u32> ​

impl Rem<Wrapping<u64>> for Wrapping<u64> ​

impl Rem<Wrapping<u128>> for Wrapping<u128> ​

impl Rem<Wrapping<usize>> for Wrapping<usize> ​

impl<'a> Rem<f32> for &'a f32 ​

impl<'a> Rem<f64> for &'a f64 ​

impl<'a> Rem<i8> for &'a i8 ​

impl<'a> Rem<i16> for &'a i16 ​

impl<'a> Rem<i32> for &'a i32 ​

impl<'a> Rem<i64> for &'a i64 ​

impl<'a> Rem<i128> for &'a i128 ​

impl<'a> Rem<isize> for &'a isize ​

impl<'a> Rem<u8> for &'a u8 ​

impl<'a> Rem<u16> for &'a u16 ​

impl<'a> Rem<u32> for &'a u32 ​

impl<'a> Rem<u64> for &'a u64 ​

impl<'a> Rem<u128> for &'a u128 ​

impl<'a> Rem<usize> for &'a usize ​

impl<'a> Rem<Saturating<i8>> for &'a Saturating<i8> ​

impl<'a> Rem<Saturating<i16>> for &'a Saturating<i16> ​

impl<'a> Rem<Saturating<i32>> for &'a Saturating<i32> ​

impl<'a> Rem<Saturating<i64>> for &'a Saturating<i64> ​

impl<'a> Rem<Saturating<i128>> for &'a Saturating<i128> ​

impl<'a> Rem<Saturating<isize>> for &'a Saturating<isize> ​

impl<'a> Rem<Saturating<u8>> for &'a Saturating<u8> ​

impl<'a> Rem<Saturating<u16>> for &'a Saturating<u16> ​

impl<'a> Rem<Saturating<u32>> for &'a Saturating<u32> ​

impl<'a> Rem<Saturating<u64>> for &'a Saturating<u64> ​

impl<'a> Rem<Saturating<u128>> for &'a Saturating<u128> ​

impl<'a> Rem<Saturating<usize>> for &'a Saturating<usize> ​

impl<'a> Rem<Wrapping<i8>> for &'a Wrapping<i8> ​

impl<'a> Rem<Wrapping<i16>> for &'a Wrapping<i16> ​

impl<'a> Rem<Wrapping<i32>> for &'a Wrapping<i32> ​

impl<'a> Rem<Wrapping<i64>> for &'a Wrapping<i64> ​

impl<'a> Rem<Wrapping<i128>> for &'a Wrapping<i128> ​

impl<'a> Rem<Wrapping<isize>> for &'a Wrapping<isize> ​

impl<'a> Rem<Wrapping<u8>> for &'a Wrapping<u8> ​

impl<'a> Rem<Wrapping<u16>> for &'a Wrapping<u16> ​

impl<'a> Rem<Wrapping<u32>> for &'a Wrapping<u32> ​

impl<'a> Rem<Wrapping<u64>> for &'a Wrapping<u64> ​

impl<'a> Rem<Wrapping<u128>> for &'a Wrapping<u128> ​

impl<'a> Rem<Wrapping<usize>> for &'a Wrapping<usize> ​

impl<'lhs, 'rhs, T, const LANES: usize> Rem<&'rhs Simd<T, LANES>> for &'lhs Simd<T, LANES> ​

rust
impl<'lhs, 'rhs, T, const LANES: usize> Rem<&'rhs Simd<T, LANES>> for &'lhs Simd<T, LANES>
where
  T: SimdElement,
  Simd<T, LANES>: Rem<Simd<T, LANES>, Output = Simd<T, LANES>>,
  LaneCount<LANES>: SupportedLaneCount,

impl<T, const LANES: usize> Rem<&Simd<T, LANES>> for Simd<T, LANES> ​

rust
impl<T, const LANES: usize> Rem<&Simd<T, LANES>> for Simd<T, LANES>
where
  T: SimdElement,
  Simd<T, LANES>: Rem<Simd<T, LANES>, Output = Simd<T, LANES>>,
  LaneCount<LANES>: SupportedLaneCount,

impl<T, const LANES: usize> Rem<Simd<T, LANES>> for &Simd<T, LANES> ​

rust
impl<T, const LANES: usize> Rem<Simd<T, LANES>> for &Simd<T, LANES>
where
  T: SimdElement,
  Simd<T, LANES>: Rem<Simd<T, LANES>, Output = Simd<T, LANES>>,
  LaneCount<LANES>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<f32, N>> for Simd<f32, N> ​

rust
impl<const N: usize> Rem<Simd<f32, N>> for Simd<f32, N>
where
  f32: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<f64, N>> for Simd<f64, N> ​

rust
impl<const N: usize> Rem<Simd<f64, N>> for Simd<f64, N>
where
  f64: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<i8, N>> for Simd<i8, N> ​

rust
impl<const N: usize> Rem<Simd<i8, N>> for Simd<i8, N>
where
  i8: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<i16, N>> for Simd<i16, N> ​

rust
impl<const N: usize> Rem<Simd<i16, N>> for Simd<i16, N>
where
  i16: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<i32, N>> for Simd<i32, N> ​

rust
impl<const N: usize> Rem<Simd<i32, N>> for Simd<i32, N>
where
  i32: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<i64, N>> for Simd<i64, N> ​

rust
impl<const N: usize> Rem<Simd<i64, N>> for Simd<i64, N>
where
  i64: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<isize, N>> for Simd<isize, N> ​

rust
impl<const N: usize> Rem<Simd<isize, N>> for Simd<isize, N>
where
  isize: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<u8, N>> for Simd<u8, N> ​

rust
impl<const N: usize> Rem<Simd<u8, N>> for Simd<u8, N>
where
  u8: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<u16, N>> for Simd<u16, N> ​

rust
impl<const N: usize> Rem<Simd<u16, N>> for Simd<u16, N>
where
  u16: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<u32, N>> for Simd<u32, N> ​

rust
impl<const N: usize> Rem<Simd<u32, N>> for Simd<u32, N>
where
  u32: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<u64, N>> for Simd<u64, N> ​

rust
impl<const N: usize> Rem<Simd<u64, N>> for Simd<u64, N>
where
  u64: SimdElement,
  LaneCount<N>: SupportedLaneCount,

impl<const N: usize> Rem<Simd<usize, N>> for Simd<usize, N> ​

rust
impl<const N: usize> Rem<Simd<usize, N>> for Simd<usize, N>
where
  usize: SimdElement,
  LaneCount<N>: SupportedLaneCount,

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