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Trait std::ops::MulAssign ​

乘法赋值运算符 *=。

rust
pub trait MulAssign<Rhs = Self> {
    // Required method
    fn mul_assign(&mut self, rhs: Rhs);
}

示例

rust
use std::ops::MulAssign;

#[derive(Debug, PartialEq)]
struct Frequency { hertz: f64 }

impl MulAssign<f64> for Frequency {
    fn mul_assign(&mut self, rhs: f64) {
        self.hertz *= rhs;
    }
}

let mut frequency = Frequency { hertz: 50.0 };
frequency *= 4.0;
assert_eq!(Frequency { hertz: 200.0 }, frequency);

Required Methods ​

mul_assign ​

rust
fn mul_assign(&mut self, rhs: Rhs)

参数：

  • rhs：执行 *= 操作的右值
rust
let mut x: u32 = 12;
x *= 2;
assert_eq!(x, 24);

Implementors ​

impl MulAssign<&f32> for f32 ​

impl MulAssign<&f64> for f64 ​

impl MulAssign<&i8> for i8 ​

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

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

impl MulAssign<&i16> for i16 ​

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

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

impl MulAssign<&i32> for i32 ​

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

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

impl MulAssign<&i64> for i64 ​

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

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

impl MulAssign<&i128> for i128 ​

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

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

impl MulAssign<&isize> for isize ​

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

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

impl MulAssign<&u8> for u8 ​

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

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

impl MulAssign<&u16> for u16 ​

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

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

impl MulAssign<&u32> for u32 ​

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

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

impl MulAssign<&u64> for u64 ​

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

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

impl MulAssign<&u128> for u128 ​

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

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

impl MulAssign<&usize> for usize ​

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

impl MulAssign<f32> for f32 ​

impl MulAssign<f64> for f64 ​

impl MulAssign<i8> for i8 ​

impl MulAssign<i8> for Saturating<i8> ​

impl MulAssign<i8> for Wrapping<i8> ​

impl MulAssign<i16> for i16 ​

impl MulAssign<i16> for Saturating<i16> ​

impl MulAssign<i16> for Wrapping<i16> ​

impl MulAssign<i32> for i32 ​

impl MulAssign<i32> for Saturating<i32> ​

impl MulAssign<i32> for Wrapping<i32> ​

impl MulAssign<i64> for i64 ​

impl MulAssign<i64> for Saturating<i64> ​

impl MulAssign<i64> for Wrapping<i64> ​

impl MulAssign<i128> for i128 ​

impl MulAssign<i128> for Saturating<i128> ​

impl MulAssign<i128> for Wrapping<i128> ​

impl MulAssign<isize> for isize ​

impl MulAssign<isize> for Saturating<isize> ​

impl MulAssign<isize> for Wrapping<isize> ​

impl MulAssign<u8> for u8 ​

impl MulAssign<u8> for Saturating<u8> ​

impl MulAssign<u8> for Wrapping<u8> ​

impl MulAssign<u16> for u16 ​

impl MulAssign<u16> for Saturating<u16> ​

impl MulAssign<u16> for Wrapping<u16> ​

impl MulAssign<u32> for u32 ​

impl MulAssign<u32> for Saturating<u32> ​

impl MulAssign<u32> for Wrapping<u32> ​

impl MulAssign<u32> for Duration ​

impl MulAssign<u64> for u64 ​

impl MulAssign<u64> for Saturating<u64> ​

impl MulAssign<u64> for Wrapping<u64> ​

impl MulAssign<u128> for u128 ​

impl MulAssign<u128> for Saturating<u128> ​

impl MulAssign<u128> for Wrapping<u128> ​

impl MulAssign<usize> for usize ​

impl MulAssign<usize> for Saturating<usize> ​

impl MulAssign<usize> for Wrapping<usize> ​

impl MulAssign<Saturating<i8>> for Saturating<i8> ​

impl MulAssign<Saturating<i16>> for Saturating<i16> ​

impl MulAssign<Saturating<i32>> for Saturating<i32> ​

impl MulAssign<Saturating<i64>> for Saturating<i64> ​

impl MulAssign<Saturating<i128>> for Saturating<i128> ​

impl MulAssign<Saturating<isize>> for Saturating<isize> ​

impl MulAssign<Saturating<u8>> for Saturating<u8> ​

impl MulAssign<Saturating<u16>> for Saturating<u16> ​

impl MulAssign<Saturating<u32>> for Saturating<u32> ​

impl MulAssign<Saturating<u64>> for Saturating<u64> ​

impl MulAssign<Saturating<u128>> for Saturating<u128> ​

impl MulAssign<Saturating<usize>> for Saturating<usize> ​

impl MulAssign<Wrapping<i8>> for Wrapping<i8> ​

impl MulAssign<Wrapping<i16>> for Wrapping<i16> ​

impl MulAssign<Wrapping<i32>> for Wrapping<i32> ​

impl MulAssign<Wrapping<i64>> for Wrapping<i64> ​

impl MulAssign<Wrapping<i128>> for Wrapping<i128> ​

impl MulAssign<Wrapping<isize>> for Wrapping<isize> ​

impl MulAssign<Wrapping<u8>> for Wrapping<u8> ​

impl MulAssign<Wrapping<u16>> for Wrapping<u16> ​

impl MulAssign<Wrapping<u32>> for Wrapping<u32> ​

impl MulAssign<Wrapping<u64>> for Wrapping<u64> ​

impl MulAssign<Wrapping<u128>> for Wrapping<u128> ​

impl MulAssign<Wrapping<usize>> for Wrapping<usize> ​

impl<T, U, const LANES: usize> MulAssign<U> for Simd<T, LANES> ​

rust
impl<T, U, const LANES: usize> MulAssign<U> for Simd<T, LANES>
where
  Simd<T, LANES>: Mul<U, Output = Simd<T, LANES>>,
  T: SimdElement,
  LaneCount<LANES>: SupportedLaneCount,

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