# 1.0.0[−][src]Trait std::ops::Sub

    #[lang = "sub"]pub trait Sub<Rhs = Self> {
        type Output;
    #[must_use]    pub fn sub(self, rhs: Rhs) -> Self::Output;
    }

The subtraction operator `-`.

Note that `Rhs` is `Self` by default, but this is not mandatory. For example, `std::time::SystemTime` implements `Sub<Duration>`, which permits operations of the form `SystemTime = SystemTime - Duration`.

# Examples

## `Sub`tractable points

    use std::ops::Sub;

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

    impl Sub for Point {
        type Output = Self;

        fn sub(self, other: Self) -> Self::Output {
            Self {
                x: self.x - other.x,
                y: self.y - other.y,
            }
        }
    }

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

Run

## Implementing `Sub` with generics

Here is an example of the same `Point` struct implementing the `Sub` trait using generics.

    use std::ops::Sub;

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

    // Notice that the implementation uses the associated type `Output`.
    impl<T: Sub<Output = T>> Sub for Point<T> {
        type Output = Self;

        fn sub(self, other: Self) -> Self::Output {
            Point {
                x: self.x - other.x,
                y: self.y - other.y,
            }
        }
    }

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

Run

## Associated Types

### `type Output`[src]

The resulting type after applying the `-` operator.

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## Required methods

### `#[must_use]pub fn sub(self, rhs: Rhs) -> Self::Output`[src]

Performs the `-` operation.

# Example

    assert_eq!(12 - 1, 11);

Run
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## Implementors

### `impl Sub<f32> for f32`[src]

#### `type Output = f32`

#### `pub fn sub(self, other: f32) -> f32`[src]

### `impl Sub<f64> for f64`[src]

#### `type Output = f64`

#### `pub fn sub(self, other: f64) -> f64`[src]

### `impl Sub<i8> for i8`[src]

#### `type Output = i8`

#### `pub fn sub(self, other: i8) -> i8`[src]

### `impl Sub<i16> for i16`[src]

#### `type Output = i16`

#### `pub fn sub(self, other: i16) -> i16`[src]

### `impl Sub<i32> for i32`[src]

#### `type Output = i32`

#### `pub fn sub(self, other: i32) -> i32`[src]

### `impl Sub<i64> for i64`[src]

#### `type Output = i64`

#### `pub fn sub(self, other: i64) -> i64`[src]

### `impl Sub<i128> for i128`[src]

#### `type Output = i128`

#### `pub fn sub(self, other: i128) -> i128`[src]

### `impl Sub<isize> for isize`[src]

#### `type Output = isize`

#### `pub fn sub(self, other: isize) -> isize`[src]

### `impl Sub<u8> for u8`[src]

#### `type Output = u8`

#### `pub fn sub(self, other: u8) -> u8`[src]

### `impl Sub<u16> for u16`[src]

#### `type Output = u16`

#### `pub fn sub(self, other: u16) -> u16`[src]

### `impl Sub<u32> for u32`[src]

#### `type Output = u32`

#### `pub fn sub(self, other: u32) -> u32`[src]

### `impl Sub<u64> for u64`[src]

#### `type Output = u64`

#### `pub fn sub(self, other: u64) -> u64`[src]

### `impl Sub<u128> for u128`[src]

#### `type Output = u128`

#### `pub fn sub(self, other: u128) -> u128`[src]

### `impl Sub<usize> for usize`[src]

#### `type Output = usize`

#### `pub fn sub(self, other: usize) -> usize`[src]

### `impl Sub<Wrapping<i8>> for Wrapping<i8>`[src]

#### `type Output = Wrapping<i8>`

#### `pub fn sub(self, other: Wrapping<i8>) -> Wrapping<i8>`[src]

### `impl Sub<Wrapping<i16>> for Wrapping<i16>`[src]

#### `type Output = Wrapping<i16>`

#### `pub fn sub(self, other: Wrapping<i16>) -> Wrapping<i16>`[src]

### `impl Sub<Wrapping<i32>> for Wrapping<i32>`[src]

#### `type Output = Wrapping<i32>`

#### `pub fn sub(self, other: Wrapping<i32>) -> Wrapping<i32>`[src]

### `impl Sub<Wrapping<i64>> for Wrapping<i64>`[src]

#### `type Output = Wrapping<i64>`

#### `pub fn sub(self, other: Wrapping<i64>) -> Wrapping<i64>`[src]

### `impl Sub<Wrapping<i128>> for Wrapping<i128>`[src]

#### `type Output = Wrapping<i128>`

#### `pub fn sub(self, other: Wrapping<i128>) -> Wrapping<i128>`[src]

### `impl Sub<Wrapping<isize>> for Wrapping<isize>`[src]

#### `type Output = Wrapping<isize>`

#### `pub fn sub(self, other: Wrapping<isize>) -> Wrapping<isize>`[src]

### `impl Sub<Wrapping<u8>> for Wrapping<u8>`[src]

#### `type Output = Wrapping<u8>`

#### `pub fn sub(self, other: Wrapping<u8>) -> Wrapping<u8>`[src]

### `impl Sub<Wrapping<u16>> for Wrapping<u16>`[src]

#### `type Output = Wrapping<u16>`

#### `pub fn sub(self, other: Wrapping<u16>) -> Wrapping<u16>`[src]

### `impl Sub<Wrapping<u32>> for Wrapping<u32>`[src]

#### `type Output = Wrapping<u32>`

#### `pub fn sub(self, other: Wrapping<u32>) -> Wrapping<u32>`[src]

### `impl Sub<Wrapping<u64>> for Wrapping<u64>`[src]

#### `type Output = Wrapping<u64>`

#### `pub fn sub(self, other: Wrapping<u64>) -> Wrapping<u64>`[src]

### `impl Sub<Wrapping<u128>> for Wrapping<u128>`[src]

#### `type Output = Wrapping<u128>`

#### `pub fn sub(self, other: Wrapping<u128>) -> Wrapping<u128>`[src]

### `impl Sub<Wrapping<usize>> for Wrapping<usize>`[src]

#### `type Output = Wrapping<usize>`

#### `pub fn sub(self, other: Wrapping<usize>) -> Wrapping<usize>`[src]

### `impl Sub<Duration> for Duration`[src]

#### `type Output = Duration`

#### `pub fn sub(self, rhs: Duration) -> Duration`[src]

### `impl Sub<Duration> for Instant`[src]

#### `type Output = Instant`

#### `pub fn sub(self, other: Duration) -> Instant`[src]

### `impl Sub<Duration> for SystemTime`[src]

#### `type Output = SystemTime`

#### `pub fn sub(self, dur: Duration) -> SystemTime`[src]

### `impl Sub<Instant> for Instant`[src]

#### `type Output = Duration`

#### `pub fn sub(self, other: Instant) -> Duration`[src]

### `impl<'_> Sub<&'_ f32> for f32`[src]

#### `type Output = <f32 as Sub<f32>>::Output`

#### `pub fn sub(self, other: &f32) -> <f32 as Sub<f32>>::Output`[src]

### `impl<'_> Sub<&'_ f64> for f64`[src]

#### `type Output = <f64 as Sub<f64>>::Output`

#### `pub fn sub(self, other: &f64) -> <f64 as Sub<f64>>::Output`[src]

### `impl<'_> Sub<&'_ i8> for i8`[src]

#### `type Output = <i8 as Sub<i8>>::Output`

#### `pub fn sub(self, other: &i8) -> <i8 as Sub<i8>>::Output`[src]

### `impl<'_> Sub<&'_ i16> for i16`[src]

#### `type Output = <i16 as Sub<i16>>::Output`

#### `pub fn sub(self, other: &i16) -> <i16 as Sub<i16>>::Output`[src]

### `impl<'_> Sub<&'_ i32> for i32`[src]

#### `type Output = <i32 as Sub<i32>>::Output`

#### `pub fn sub(self, other: &i32) -> <i32 as Sub<i32>>::Output`[src]

### `impl<'_> Sub<&'_ i64> for i64`[src]

#### `type Output = <i64 as Sub<i64>>::Output`

#### `pub fn sub(self, other: &i64) -> <i64 as Sub<i64>>::Output`[src]

### `impl<'_> Sub<&'_ i128> for i128`[src]

#### `type Output = <i128 as Sub<i128>>::Output`

#### `pub fn sub(self, other: &i128) -> <i128 as Sub<i128>>::Output`[src]

### `impl<'_> Sub<&'_ isize> for isize`[src]

#### `type Output = <isize as Sub<isize>>::Output`

#### `pub fn sub(self, other: &isize) -> <isize as Sub<isize>>::Output`[src]

### `impl<'_> Sub<&'_ u8> for u8`[src]

#### `type Output = <u8 as Sub<u8>>::Output`

#### `pub fn sub(self, other: &u8) -> <u8 as Sub<u8>>::Output`[src]

### `impl<'_> Sub<&'_ u16> for u16`[src]

#### `type Output = <u16 as Sub<u16>>::Output`

#### `pub fn sub(self, other: &u16) -> <u16 as Sub<u16>>::Output`[src]

### `impl<'_> Sub<&'_ u32> for u32`[src]

#### `type Output = <u32 as Sub<u32>>::Output`

#### `pub fn sub(self, other: &u32) -> <u32 as Sub<u32>>::Output`[src]

### `impl<'_> Sub<&'_ u64> for u64`[src]

#### `type Output = <u64 as Sub<u64>>::Output`

#### `pub fn sub(self, other: &u64) -> <u64 as Sub<u64>>::Output`[src]

### `impl<'_> Sub<&'_ u128> for u128`[src]

#### `type Output = <u128 as Sub<u128>>::Output`

#### `pub fn sub(self, other: &u128) -> <u128 as Sub<u128>>::Output`[src]

### `impl<'_> Sub<&'_ usize> for usize`[src]

#### `type Output = <usize as Sub<usize>>::Output`

#### `pub fn sub(self, other: &usize) -> <usize as Sub<usize>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<i8>> for Wrapping<i8>`[src]

#### `type Output = <Wrapping<i8> as Sub<Wrapping<i8>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i8>
) -> <Wrapping<i8> as Sub<Wrapping<i8>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<i16>> for Wrapping<i16>`[src]

#### `type Output = <Wrapping<i16> as Sub<Wrapping<i16>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i16>
) -> <Wrapping<i16> as Sub<Wrapping<i16>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<i32>> for Wrapping<i32>`[src]

#### `type Output = <Wrapping<i32> as Sub<Wrapping<i32>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i32>
) -> <Wrapping<i32> as Sub<Wrapping<i32>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<i64>> for Wrapping<i64>`[src]

#### `type Output = <Wrapping<i64> as Sub<Wrapping<i64>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i64>
) -> <Wrapping<i64> as Sub<Wrapping<i64>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<i128>> for Wrapping<i128>`[src]

#### `type Output = <Wrapping<i128> as Sub<Wrapping<i128>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i128>
) -> <Wrapping<i128> as Sub<Wrapping<i128>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<isize>> for Wrapping<isize>`[src]

#### `type Output = <Wrapping<isize> as Sub<Wrapping<isize>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<isize>
) -> <Wrapping<isize> as Sub<Wrapping<isize>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<u8>> for Wrapping<u8>`[src]

#### `type Output = <Wrapping<u8> as Sub<Wrapping<u8>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u8>
) -> <Wrapping<u8> as Sub<Wrapping<u8>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<u16>> for Wrapping<u16>`[src]

#### `type Output = <Wrapping<u16> as Sub<Wrapping<u16>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u16>
) -> <Wrapping<u16> as Sub<Wrapping<u16>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<u32>> for Wrapping<u32>`[src]

#### `type Output = <Wrapping<u32> as Sub<Wrapping<u32>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u32>
) -> <Wrapping<u32> as Sub<Wrapping<u32>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<u64>> for Wrapping<u64>`[src]

#### `type Output = <Wrapping<u64> as Sub<Wrapping<u64>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u64>
) -> <Wrapping<u64> as Sub<Wrapping<u64>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<u128>> for Wrapping<u128>`[src]

#### `type Output = <Wrapping<u128> as Sub<Wrapping<u128>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u128>
) -> <Wrapping<u128> as Sub<Wrapping<u128>>>::Output`[src]

### `impl<'_> Sub<&'_ Wrapping<usize>> for Wrapping<usize>`[src]

#### `type Output = <Wrapping<usize> as Sub<Wrapping<usize>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<usize>
) -> <Wrapping<usize> as Sub<Wrapping<usize>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ f32> for &'_ f32`[src]

#### `type Output = <f32 as Sub<f32>>::Output`

#### `pub fn sub(self, other: &f32) -> <f32 as Sub<f32>>::Output`[src]

### `impl<'_, '_> Sub<&'_ f64> for &'_ f64`[src]

#### `type Output = <f64 as Sub<f64>>::Output`

#### `pub fn sub(self, other: &f64) -> <f64 as Sub<f64>>::Output`[src]

### `impl<'_, '_> Sub<&'_ i8> for &'_ i8`[src]

#### `type Output = <i8 as Sub<i8>>::Output`

#### `pub fn sub(self, other: &i8) -> <i8 as Sub<i8>>::Output`[src]

### `impl<'_, '_> Sub<&'_ i16> for &'_ i16`[src]

#### `type Output = <i16 as Sub<i16>>::Output`

#### `pub fn sub(self, other: &i16) -> <i16 as Sub<i16>>::Output`[src]

### `impl<'_, '_> Sub<&'_ i32> for &'_ i32`[src]

#### `type Output = <i32 as Sub<i32>>::Output`

#### `pub fn sub(self, other: &i32) -> <i32 as Sub<i32>>::Output`[src]

### `impl<'_, '_> Sub<&'_ i64> for &'_ i64`[src]

#### `type Output = <i64 as Sub<i64>>::Output`

#### `pub fn sub(self, other: &i64) -> <i64 as Sub<i64>>::Output`[src]

### `impl<'_, '_> Sub<&'_ i128> for &'_ i128`[src]

#### `type Output = <i128 as Sub<i128>>::Output`

#### `pub fn sub(self, other: &i128) -> <i128 as Sub<i128>>::Output`[src]

### `impl<'_, '_> Sub<&'_ isize> for &'_ isize`[src]

#### `type Output = <isize as Sub<isize>>::Output`

#### `pub fn sub(self, other: &isize) -> <isize as Sub<isize>>::Output`[src]

### `impl<'_, '_> Sub<&'_ u8> for &'_ u8`[src]

#### `type Output = <u8 as Sub<u8>>::Output`

#### `pub fn sub(self, other: &u8) -> <u8 as Sub<u8>>::Output`[src]

### `impl<'_, '_> Sub<&'_ u16> for &'_ u16`[src]

#### `type Output = <u16 as Sub<u16>>::Output`

#### `pub fn sub(self, other: &u16) -> <u16 as Sub<u16>>::Output`[src]

### `impl<'_, '_> Sub<&'_ u32> for &'_ u32`[src]

#### `type Output = <u32 as Sub<u32>>::Output`

#### `pub fn sub(self, other: &u32) -> <u32 as Sub<u32>>::Output`[src]

### `impl<'_, '_> Sub<&'_ u64> for &'_ u64`[src]

#### `type Output = <u64 as Sub<u64>>::Output`

#### `pub fn sub(self, other: &u64) -> <u64 as Sub<u64>>::Output`[src]

### `impl<'_, '_> Sub<&'_ u128> for &'_ u128`[src]

#### `type Output = <u128 as Sub<u128>>::Output`

#### `pub fn sub(self, other: &u128) -> <u128 as Sub<u128>>::Output`[src]

### `impl<'_, '_> Sub<&'_ usize> for &'_ usize`[src]

#### `type Output = <usize as Sub<usize>>::Output`

#### `pub fn sub(self, other: &usize) -> <usize as Sub<usize>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<i8>> for &'_ Wrapping<i8>`[src]

#### `type Output = <Wrapping<i8> as Sub<Wrapping<i8>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i8>
) -> <Wrapping<i8> as Sub<Wrapping<i8>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<i16>> for &'_ Wrapping<i16>`[src]

#### `type Output = <Wrapping<i16> as Sub<Wrapping<i16>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i16>
) -> <Wrapping<i16> as Sub<Wrapping<i16>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<i32>> for &'_ Wrapping<i32>`[src]

#### `type Output = <Wrapping<i32> as Sub<Wrapping<i32>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i32>
) -> <Wrapping<i32> as Sub<Wrapping<i32>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<i64>> for &'_ Wrapping<i64>`[src]

#### `type Output = <Wrapping<i64> as Sub<Wrapping<i64>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i64>
) -> <Wrapping<i64> as Sub<Wrapping<i64>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<i128>> for &'_ Wrapping<i128>`[src]

#### `type Output = <Wrapping<i128> as Sub<Wrapping<i128>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<i128>
) -> <Wrapping<i128> as Sub<Wrapping<i128>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<isize>> for &'_ Wrapping<isize>`[src]

#### `type Output = <Wrapping<isize> as Sub<Wrapping<isize>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<isize>
) -> <Wrapping<isize> as Sub<Wrapping<isize>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<u8>> for &'_ Wrapping<u8>`[src]

#### `type Output = <Wrapping<u8> as Sub<Wrapping<u8>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u8>
) -> <Wrapping<u8> as Sub<Wrapping<u8>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<u16>> for &'_ Wrapping<u16>`[src]

#### `type Output = <Wrapping<u16> as Sub<Wrapping<u16>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u16>
) -> <Wrapping<u16> as Sub<Wrapping<u16>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<u32>> for &'_ Wrapping<u32>`[src]

#### `type Output = <Wrapping<u32> as Sub<Wrapping<u32>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u32>
) -> <Wrapping<u32> as Sub<Wrapping<u32>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<u64>> for &'_ Wrapping<u64>`[src]

#### `type Output = <Wrapping<u64> as Sub<Wrapping<u64>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u64>
) -> <Wrapping<u64> as Sub<Wrapping<u64>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<u128>> for &'_ Wrapping<u128>`[src]

#### `type Output = <Wrapping<u128> as Sub<Wrapping<u128>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<u128>
) -> <Wrapping<u128> as Sub<Wrapping<u128>>>::Output`[src]

### `impl<'_, '_> Sub<&'_ Wrapping<usize>> for &'_ Wrapping<usize>`[src]

#### `type Output = <Wrapping<usize> as Sub<Wrapping<usize>>>::Output`

#### `pub fn sub(
self,
other: &Wrapping<usize>
) -> <Wrapping<usize> as Sub<Wrapping<usize>>>::Output`[src]

### `impl<'_, '_, T> Sub<&'_ BTreeSet<T>> for &'_ BTreeSet<T> where
T: Clone + Ord,` [src]

#### `type Output = BTreeSet<T>`

#### `pub fn sub(self, rhs: &BTreeSet<T>) -> BTreeSet<T>`[src]

Returns the difference of `self` and `rhs` as a new `BTreeSet<T>`.

# Examples

    use std::collections::BTreeSet;

    let a: BTreeSet<_> = vec![1, 2, 3].into_iter().collect();
    let b: BTreeSet<_> = vec![3, 4, 5].into_iter().collect();

    let result = &a - &b;
    let result_vec: Vec<_> = result.into_iter().collect();
    assert_eq!(result_vec, [1, 2]);

Run

### `impl<'a> Sub<f32> for &'a f32`[src]

#### `type Output = <f32 as Sub<f32>>::Output`

#### `pub fn sub(self, other: f32) -> <f32 as Sub<f32>>::Output`[src]

### `impl<'a> Sub<f64> for &'a f64`[src]

#### `type Output = <f64 as Sub<f64>>::Output`

#### `pub fn sub(self, other: f64) -> <f64 as Sub<f64>>::Output`[src]

### `impl<'a> Sub<i8> for &'a i8`[src]

#### `type Output = <i8 as Sub<i8>>::Output`

#### `pub fn sub(self, other: i8) -> <i8 as Sub<i8>>::Output`[src]

### `impl<'a> Sub<i16> for &'a i16`[src]

#### `type Output = <i16 as Sub<i16>>::Output`

#### `pub fn sub(self, other: i16) -> <i16 as Sub<i16>>::Output`[src]

### `impl<'a> Sub<i32> for &'a i32`[src]

#### `type Output = <i32 as Sub<i32>>::Output`

#### `pub fn sub(self, other: i32) -> <i32 as Sub<i32>>::Output`[src]

### `impl<'a> Sub<i64> for &'a i64`[src]

#### `type Output = <i64 as Sub<i64>>::Output`

#### `pub fn sub(self, other: i64) -> <i64 as Sub<i64>>::Output`[src]

### `impl<'a> Sub<i128> for &'a i128`[src]

#### `type Output = <i128 as Sub<i128>>::Output`

#### `pub fn sub(self, other: i128) -> <i128 as Sub<i128>>::Output`[src]

### `impl<'a> Sub<isize> for &'a isize`[src]

#### `type Output = <isize as Sub<isize>>::Output`

#### `pub fn sub(self, other: isize) -> <isize as Sub<isize>>::Output`[src]

### `impl<'a> Sub<u8> for &'a u8`[src]

#### `type Output = <u8 as Sub<u8>>::Output`

#### `pub fn sub(self, other: u8) -> <u8 as Sub<u8>>::Output`[src]

### `impl<'a> Sub<u16> for &'a u16`[src]

#### `type Output = <u16 as Sub<u16>>::Output`

#### `pub fn sub(self, other: u16) -> <u16 as Sub<u16>>::Output`[src]

### `impl<'a> Sub<u32> for &'a u32`[src]

#### `type Output = <u32 as Sub<u32>>::Output`

#### `pub fn sub(self, other: u32) -> <u32 as Sub<u32>>::Output`[src]

### `impl<'a> Sub<u64> for &'a u64`[src]

#### `type Output = <u64 as Sub<u64>>::Output`

#### `pub fn sub(self, other: u64) -> <u64 as Sub<u64>>::Output`[src]

### `impl<'a> Sub<u128> for &'a u128`[src]

#### `type Output = <u128 as Sub<u128>>::Output`

#### `pub fn sub(self, other: u128) -> <u128 as Sub<u128>>::Output`[src]

### `impl<'a> Sub<usize> for &'a usize`[src]

#### `type Output = <usize as Sub<usize>>::Output`

#### `pub fn sub(self, other: usize) -> <usize as Sub<usize>>::Output`[src]

### `impl<'a> Sub<Wrapping<i8>> for &'a Wrapping<i8>`[src]

#### `type Output = <Wrapping<i8> as Sub<Wrapping<i8>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<i8>
) -> <Wrapping<i8> as Sub<Wrapping<i8>>>::Output`[src]

### `impl<'a> Sub<Wrapping<i16>> for &'a Wrapping<i16>`[src]

#### `type Output = <Wrapping<i16> as Sub<Wrapping<i16>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<i16>
) -> <Wrapping<i16> as Sub<Wrapping<i16>>>::Output`[src]

### `impl<'a> Sub<Wrapping<i32>> for &'a Wrapping<i32>`[src]

#### `type Output = <Wrapping<i32> as Sub<Wrapping<i32>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<i32>
) -> <Wrapping<i32> as Sub<Wrapping<i32>>>::Output`[src]

### `impl<'a> Sub<Wrapping<i64>> for &'a Wrapping<i64>`[src]

#### `type Output = <Wrapping<i64> as Sub<Wrapping<i64>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<i64>
) -> <Wrapping<i64> as Sub<Wrapping<i64>>>::Output`[src]

### `impl<'a> Sub<Wrapping<i128>> for &'a Wrapping<i128>`[src]

#### `type Output = <Wrapping<i128> as Sub<Wrapping<i128>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<i128>
) -> <Wrapping<i128> as Sub<Wrapping<i128>>>::Output`[src]

### `impl<'a> Sub<Wrapping<isize>> for &'a Wrapping<isize>`[src]

#### `type Output = <Wrapping<isize> as Sub<Wrapping<isize>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<isize>
) -> <Wrapping<isize> as Sub<Wrapping<isize>>>::Output`[src]

### `impl<'a> Sub<Wrapping<u8>> for &'a Wrapping<u8>`[src]

#### `type Output = <Wrapping<u8> as Sub<Wrapping<u8>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<u8>
) -> <Wrapping<u8> as Sub<Wrapping<u8>>>::Output`[src]

### `impl<'a> Sub<Wrapping<u16>> for &'a Wrapping<u16>`[src]

#### `type Output = <Wrapping<u16> as Sub<Wrapping<u16>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<u16>
) -> <Wrapping<u16> as Sub<Wrapping<u16>>>::Output`[src]

### `impl<'a> Sub<Wrapping<u32>> for &'a Wrapping<u32>`[src]

#### `type Output = <Wrapping<u32> as Sub<Wrapping<u32>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<u32>
) -> <Wrapping<u32> as Sub<Wrapping<u32>>>::Output`[src]

### `impl<'a> Sub<Wrapping<u64>> for &'a Wrapping<u64>`[src]

#### `type Output = <Wrapping<u64> as Sub<Wrapping<u64>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<u64>
) -> <Wrapping<u64> as Sub<Wrapping<u64>>>::Output`[src]

### `impl<'a> Sub<Wrapping<u128>> for &'a Wrapping<u128>`[src]

#### `type Output = <Wrapping<u128> as Sub<Wrapping<u128>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<u128>
) -> <Wrapping<u128> as Sub<Wrapping<u128>>>::Output`[src]

### `impl<'a> Sub<Wrapping<usize>> for &'a Wrapping<usize>`[src]

#### `type Output = <Wrapping<usize> as Sub<Wrapping<usize>>>::Output`

#### `pub fn sub(
self,
other: Wrapping<usize>
) -> <Wrapping<usize> as Sub<Wrapping<usize>>>::Output`[src]

### `impl<T, S> Sub<&'_ HashSet<T, S>> for &HashSet<T, S> where
T: Eq + Hash + Clone,
S: BuildHasher + Default,` [src]

#### `type Output = HashSet<T, S>`

#### `pub fn sub(self, rhs: &HashSet<T, S>) -> HashSet<T, S>`[src]

Returns the difference of `self` and `rhs` as a new `HashSet<T, S>`.

# Examples

    use std::collections::HashSet;

    let a: HashSet<_> = vec![1, 2, 3].into_iter().collect();
    let b: HashSet<_> = vec![3, 4, 5].into_iter().collect();

    let set = &a - &b;

    let mut i = 0;
    let expected = [1, 2];
    for x in &set {
        assert!(expected.contains(x));
        i += 1;
    }
    assert_eq!(i, expected.len());

Run
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