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Trait std::ops::SubAssign

#[lang = "sub_assign"]
pub trait SubAssign<Rhs = Self> {
    fn sub_assign(&mut self, rhs: Rhs);
}

The subtraction assignment operator -=.

Examples

This example creates a Point struct that implements the SubAssign trait, and then demonstrates sub-assigning to a mutable Point.

use std::ops::SubAssign;

#[derive(Debug, PartialEq)]
struct Point {
    x: i32,
    y: i32,
}

impl SubAssign for Point {
    fn sub_assign(&mut self, other: Point) {
        *self = Point {
            x: self.x - other.x,
            y: self.y - other.y,
        };
    }
}

let mut point = Point { x: 3, y: 3 };
point -= Point { x: 2, y: 3 };
assert_eq!(point, Point {x: 1, y: 0});

Required Methods

Performs the -= operation.

Implementors

impl SubAssign<f32> for f32 [src]

impl SubAssign<f64> for f64 [src]

impl SubAssign<i128> for i128 [src]

impl SubAssign<i16> for i16 [src]

impl SubAssign<i32> for i32 [src]

impl SubAssign<i64> for i64 [src]

impl SubAssign<i8> for i8 [src]

impl SubAssign<isize> for isize [src]

impl SubAssign<u128> for u128 [src]

impl SubAssign<u16> for u16 [src]

impl SubAssign<u32> for u32 [src]

impl SubAssign<u64> for u64 [src]

impl SubAssign<u8> for u8 [src]

impl SubAssign<usize> for usize [src]

impl SubAssign<Wrapping<i128>> for Wrapping<i128> [src]

impl SubAssign<Wrapping<i16>> for Wrapping<i16> [src]

impl SubAssign<Wrapping<i32>> for Wrapping<i32> [src]

impl SubAssign<Wrapping<i64>> for Wrapping<i64> [src]

impl SubAssign<Wrapping<i8>> for Wrapping<i8> [src]

impl SubAssign<Wrapping<isize>> for Wrapping<isize> [src]

impl SubAssign<Wrapping<u128>> for Wrapping<u128> [src]

impl SubAssign<Wrapping<u16>> for Wrapping<u16> [src]

impl SubAssign<Wrapping<u32>> for Wrapping<u32> [src]

impl SubAssign<Wrapping<u64>> for Wrapping<u64> [src]

impl SubAssign<Wrapping<u8>> for Wrapping<u8> [src]

impl SubAssign<Wrapping<usize>> for Wrapping<usize> [src]

impl SubAssign<Duration> for Duration [src]

impl SubAssign<Duration> for Instant [src]

impl SubAssign<Duration> for SystemTime [src]

impl<'a> SubAssign<&'a f32> for f32 [src]

impl<'a> SubAssign<&'a f64> for f64 [src]

impl<'a> SubAssign<&'a i128> for i128 [src]

impl<'a> SubAssign<&'a i16> for i16 [src]

impl<'a> SubAssign<&'a i32> for i32 [src]

impl<'a> SubAssign<&'a i64> for i64 [src]

impl<'a> SubAssign<&'a i8> for i8 [src]

impl<'a> SubAssign<&'a isize> for isize [src]

impl<'a> SubAssign<&'a u128> for u128 [src]

impl<'a> SubAssign<&'a u16> for u16 [src]

impl<'a> SubAssign<&'a u32> for u32 [src]

impl<'a> SubAssign<&'a u64> for u64 [src]

impl<'a> SubAssign<&'a u8> for u8 [src]

impl<'a> SubAssign<&'a usize> for usize [src]

impl<'a> SubAssign<&'a Wrapping<i128>> for Wrapping<i128> [src]

impl<'a> SubAssign<&'a Wrapping<i16>> for Wrapping<i16> [src]

impl<'a> SubAssign<&'a Wrapping<i32>> for Wrapping<i32> [src]

impl<'a> SubAssign<&'a Wrapping<i64>> for Wrapping<i64> [src]

impl<'a> SubAssign<&'a Wrapping<i8>> for Wrapping<i8> [src]

impl<'a> SubAssign<&'a Wrapping<isize>> for Wrapping<isize> [src]

impl<'a> SubAssign<&'a Wrapping<u128>> for Wrapping<u128> [src]

impl<'a> SubAssign<&'a Wrapping<u16>> for Wrapping<u16> [src]

impl<'a> SubAssign<&'a Wrapping<u32>> for Wrapping<u32> [src]

impl<'a> SubAssign<&'a Wrapping<u64>> for Wrapping<u64> [src]

impl<'a> SubAssign<&'a Wrapping<u8>> for Wrapping<u8> [src]

impl<'a> SubAssign<&'a Wrapping<usize>> for Wrapping<usize> [src]

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/ops/trait.SubAssign.html