pub trait Add<Rhs = Self> {
type Output;
// Required method
fn add(self, rhs: Rhs) -> Self::Output;
}Expand description
The addition operator +.
Note that Rhs is Self by default, but this is not mandatory. For
example, std::time::SystemTime implements Add<Duration>, which permits
operations of the form SystemTime = SystemTime + Duration.
§Examples
§Addable points
use std::ops::Add;
#[derive(Debug, Copy, Clone, PartialEq)]
struct Point {
x: i32,
y: i32,
}
impl Add for Point {
type Output = Self;
fn add(self, other: Self) -> Self {
Self {
x: self.x + other.x,
y: self.y + other.y,
}
}
}
assert_eq!(Point { x: 1, y: 0 } + Point { x: 2, y: 3 },
Point { x: 3, y: 3 });§Implementing Add with generics
Here is an example of the same Point struct implementing the Add trait
using generics.
use std::ops::Add;
#[derive(Debug, Copy, Clone, PartialEq)]
struct Point<T> {
x: T,
y: T,
}
// Notice that the implementation uses the associated type `Output`.
impl<T: Add<Output = T>> Add for Point<T> {
type Output = Self;
fn add(self, other: Self) -> Self::Output {
Self {
x: self.x + other.x,
y: self.y + other.y,
}
}
}
assert_eq!(Point { x: 1, y: 0 } + Point { x: 2, y: 3 },
Point { x: 3, y: 3 });Required Associated Types§
Required Methods§
Dyn Compatibility§
This trait is dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".
Implementors§
Source§impl Add for BoxedMontyForm
Available on crate feature alloc only.
impl Add for BoxedMontyForm
alloc only.type Output = BoxedMontyForm
1.74.0 (const: unstable) · Source§impl Add for Saturating<i128>
impl Add for Saturating<i128>
type Output = Saturating<i128>
1.74.0 (const: unstable) · Source§impl Add for Saturating<isize>
impl Add for Saturating<isize>
type Output = Saturating<isize>
1.74.0 (const: unstable) · Source§impl Add for Saturating<u128>
impl Add for Saturating<u128>
type Output = Saturating<u128>
1.74.0 (const: unstable) · Source§impl Add for Saturating<usize>
impl Add for Saturating<usize>
type Output = Saturating<usize>
Source§impl Add<&BoxedMontyForm> for &BoxedMontyForm
Available on crate feature alloc only.
impl Add<&BoxedMontyForm> for &BoxedMontyForm
alloc only.type Output = BoxedMontyForm
Source§impl Add<&BoxedMontyForm> for BoxedMontyForm
Available on crate feature alloc only.
impl Add<&BoxedMontyForm> for BoxedMontyForm
alloc only.type Output = BoxedMontyForm
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i8>> for &Saturating<i8>
impl Add<&Saturating<i8>> for &Saturating<i8>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i8>> for Saturating<i8>
impl Add<&Saturating<i8>> for Saturating<i8>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i16>> for &Saturating<i16>
impl Add<&Saturating<i16>> for &Saturating<i16>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i16>> for Saturating<i16>
impl Add<&Saturating<i16>> for Saturating<i16>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i32>> for &Saturating<i32>
impl Add<&Saturating<i32>> for &Saturating<i32>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i32>> for Saturating<i32>
impl Add<&Saturating<i32>> for Saturating<i32>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i64>> for &Saturating<i64>
impl Add<&Saturating<i64>> for &Saturating<i64>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i64>> for Saturating<i64>
impl Add<&Saturating<i64>> for Saturating<i64>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i128>> for &Saturating<i128>
impl Add<&Saturating<i128>> for &Saturating<i128>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<i128>> for Saturating<i128>
impl Add<&Saturating<i128>> for Saturating<i128>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<isize>> for &Saturating<isize>
impl Add<&Saturating<isize>> for &Saturating<isize>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<isize>> for Saturating<isize>
impl Add<&Saturating<isize>> for Saturating<isize>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u8>> for &Saturating<u8>
impl Add<&Saturating<u8>> for &Saturating<u8>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u8>> for Saturating<u8>
impl Add<&Saturating<u8>> for Saturating<u8>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u16>> for &Saturating<u16>
impl Add<&Saturating<u16>> for &Saturating<u16>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u16>> for Saturating<u16>
impl Add<&Saturating<u16>> for Saturating<u16>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u32>> for &Saturating<u32>
impl Add<&Saturating<u32>> for &Saturating<u32>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u32>> for Saturating<u32>
impl Add<&Saturating<u32>> for Saturating<u32>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u64>> for &Saturating<u64>
impl Add<&Saturating<u64>> for &Saturating<u64>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u64>> for Saturating<u64>
impl Add<&Saturating<u64>> for Saturating<u64>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u128>> for &Saturating<u128>
impl Add<&Saturating<u128>> for &Saturating<u128>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<u128>> for Saturating<u128>
impl Add<&Saturating<u128>> for Saturating<u128>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<usize>> for &Saturating<usize>
impl Add<&Saturating<usize>> for &Saturating<usize>
1.74.0 (const: unstable) · Source§impl Add<&Saturating<usize>> for Saturating<usize>
impl Add<&Saturating<usize>> for Saturating<usize>
1.14.0 (const: unstable) · Source§impl Add<&Wrapping<i128>> for &core::num::wrapping::Wrapping<i128>
impl Add<&Wrapping<i128>> for &core::num::wrapping::Wrapping<i128>
1.14.0 (const: unstable) · Source§impl Add<&Wrapping<isize>> for &core::num::wrapping::Wrapping<isize>
impl Add<&Wrapping<isize>> for &core::num::wrapping::Wrapping<isize>
1.14.0 (const: unstable) · Source§impl Add<&Wrapping<isize>> for core::num::wrapping::Wrapping<isize>
impl Add<&Wrapping<isize>> for core::num::wrapping::Wrapping<isize>
1.14.0 (const: unstable) · Source§impl Add<&Wrapping<u128>> for &core::num::wrapping::Wrapping<u128>
impl Add<&Wrapping<u128>> for &core::num::wrapping::Wrapping<u128>
1.14.0 (const: unstable) · Source§impl Add<&Wrapping<usize>> for &core::num::wrapping::Wrapping<usize>
impl Add<&Wrapping<usize>> for &core::num::wrapping::Wrapping<usize>
1.14.0 (const: unstable) · Source§impl Add<&Wrapping<usize>> for core::num::wrapping::Wrapping<usize>
impl Add<&Wrapping<usize>> for core::num::wrapping::Wrapping<usize>
1.0.0 · Source§impl Add<&str> for String
Available on non-no_global_oom_handling only.Implements the + operator for concatenating two strings.
impl Add<&str> for String
no_global_oom_handling only.Implements the + operator for concatenating two strings.
This consumes the String on the left-hand side and re-uses its buffer (growing it if
necessary). This is done to avoid allocating a new String and copying the entire contents on
every operation, which would lead to O(n^2) running time when building an n-byte string by
repeated concatenation.
The string on the right-hand side is only borrowed; its contents are copied into the returned
String.
§Examples
Concatenating two Strings takes the first by value and borrows the second:
let a = String::from("hello");
let b = String::from(" world");
let c = a + &b;
// `a` is moved and can no longer be used here.If you want to keep using the first String, you can clone it and append to the clone instead:
let a = String::from("hello");
let b = String::from(" world");
let c = a.clone() + &b;
// `a` is still valid here.Concatenating &str slices can be done by converting the first to a String:
let a = "hello";
let b = " world";
let c = a.to_string() + b;Source§impl Add<BoxedMontyForm> for &BoxedMontyForm
Available on crate feature alloc only.
impl Add<BoxedMontyForm> for &BoxedMontyForm
alloc only.type Output = BoxedMontyForm
1.74.0 (const: unstable) · Source§impl Add<Saturating<i8>> for &Saturating<i8>
impl Add<Saturating<i8>> for &Saturating<i8>
1.74.0 (const: unstable) · Source§impl Add<Saturating<i16>> for &Saturating<i16>
impl Add<Saturating<i16>> for &Saturating<i16>
1.74.0 (const: unstable) · Source§impl Add<Saturating<i32>> for &Saturating<i32>
impl Add<Saturating<i32>> for &Saturating<i32>
1.74.0 (const: unstable) · Source§impl Add<Saturating<i64>> for &Saturating<i64>
impl Add<Saturating<i64>> for &Saturating<i64>
1.74.0 (const: unstable) · Source§impl Add<Saturating<i128>> for &Saturating<i128>
impl Add<Saturating<i128>> for &Saturating<i128>
1.74.0 (const: unstable) · Source§impl Add<Saturating<isize>> for &Saturating<isize>
impl Add<Saturating<isize>> for &Saturating<isize>
1.74.0 (const: unstable) · Source§impl Add<Saturating<u8>> for &Saturating<u8>
impl Add<Saturating<u8>> for &Saturating<u8>
1.74.0 (const: unstable) · Source§impl Add<Saturating<u16>> for &Saturating<u16>
impl Add<Saturating<u16>> for &Saturating<u16>
1.74.0 (const: unstable) · Source§impl Add<Saturating<u32>> for &Saturating<u32>
impl Add<Saturating<u32>> for &Saturating<u32>
1.74.0 (const: unstable) · Source§impl Add<Saturating<u64>> for &Saturating<u64>
impl Add<Saturating<u64>> for &Saturating<u64>
1.74.0 (const: unstable) · Source§impl Add<Saturating<u128>> for &Saturating<u128>
impl Add<Saturating<u128>> for &Saturating<u128>
1.74.0 (const: unstable) · Source§impl Add<Saturating<usize>> for &Saturating<usize>
impl Add<Saturating<usize>> for &Saturating<usize>
1.14.0 (const: unstable) · Source§impl Add<Wrapping<isize>> for &core::num::wrapping::Wrapping<isize>
impl Add<Wrapping<isize>> for &core::num::wrapping::Wrapping<isize>
1.14.0 (const: unstable) · Source§impl Add<Wrapping<usize>> for &core::num::wrapping::Wrapping<usize>
impl Add<Wrapping<usize>> for &core::num::wrapping::Wrapping<usize>
Source§impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add for ConstMontyForm<MOD, LIMBS>
impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add for ConstMontyForm<MOD, LIMBS>
type Output = ConstMontyForm<MOD, LIMBS>
Source§impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add<&ConstMontyForm<MOD, LIMBS>> for &ConstMontyForm<MOD, LIMBS>
impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add<&ConstMontyForm<MOD, LIMBS>> for &ConstMontyForm<MOD, LIMBS>
type Output = ConstMontyForm<MOD, LIMBS>
Source§impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add<&ConstMontyForm<MOD, LIMBS>> for ConstMontyForm<MOD, LIMBS>
impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add<&ConstMontyForm<MOD, LIMBS>> for ConstMontyForm<MOD, LIMBS>
type Output = ConstMontyForm<MOD, LIMBS>
Source§impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add<ConstMontyForm<MOD, LIMBS>> for &ConstMontyForm<MOD, LIMBS>
impl<MOD: ConstMontyParams<LIMBS>, const LIMBS: usize> Add<ConstMontyForm<MOD, LIMBS>> for &ConstMontyForm<MOD, LIMBS>
type Output = ConstMontyForm<MOD, LIMBS>
Source§impl<Ul, Ur> Add<UInt<Ur, B0>> for UInt<Ul, B0>
UInt<Ul, B0> + UInt<Ur, B0> = UInt<Ul + Ur, B0>
impl<Ul, Ur> Add<UInt<Ur, B0>> for UInt<Ul, B0>
UInt<Ul, B0> + UInt<Ur, B0> = UInt<Ul + Ur, B0>
Source§impl<Ul, Ur> Add<UInt<Ur, B0>> for UInt<Ul, B1>
UInt<Ul, B1> + UInt<Ur, B0> = UInt<Ul + Ur, B1>
impl<Ul, Ur> Add<UInt<Ur, B0>> for UInt<Ul, B1>
UInt<Ul, B1> + UInt<Ur, B0> = UInt<Ul + Ur, B1>
Source§impl<Ul, Ur> Add<UInt<Ur, B1>> for UInt<Ul, B0>
UInt<Ul, B0> + UInt<Ur, B1> = UInt<Ul + Ur, B1>
impl<Ul, Ur> Add<UInt<Ur, B1>> for UInt<Ul, B0>
UInt<Ul, B0> + UInt<Ur, B1> = UInt<Ul + Ur, B1>
Source§impl<Ul, Ur> Add<UInt<Ur, B1>> for UInt<Ul, B1>
UInt<Ul, B1> + UInt<Ur, B1> = UInt<(Ul + Ur) + B1, B0>
impl<Ul, Ur> Add<UInt<Ur, B1>> for UInt<Ul, B1>
UInt<Ul, B1> + UInt<Ur, B1> = UInt<(Ul + Ur) + B1, B0>