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Trait std::ops::BitAnd ​

按位与运算符 &。

请注意，默认情况下 Rhs 是 Self，但这不是强制性的。

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

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

BitAnd 的实现，用于围绕 bool 的包装。

rust
use std::ops::BitAnd;

#[derive(Debug, PartialEq)]
struct Scalar(bool);

impl BitAnd for Scalar {
    type Output = Self;

    // rhs 是表达式 `a & b` 的 "right-hand side"
    fn bitand(self, rhs: Self) -> Self::Output {
        Self(self.0 & rhs.0)
    }
}

assert_eq!(Scalar(true) & Scalar(true), Scalar(true));
assert_eq!(Scalar(true) & Scalar(false), Scalar(false));
assert_eq!(Scalar(false) & Scalar(true), Scalar(false));
assert_eq!(Scalar(false) & Scalar(false), Scalar(false));

BitAnd 的实现，用于围绕 Vec<bool> 的包装。

rust
use std::ops::BitAnd;

#[derive(Debug, PartialEq)]
struct BooleanVector(Vec<bool>);

impl BitAnd for BooleanVector {
    type Output = Self;

    fn bitand(self, Self(rhs): Self) -> Self::Output {
        let Self(lhs) = self;
        assert_eq!(lhs.len(), rhs.len());
        Self(
            lhs.iter()
                .zip(rhs.iter())
                .map(|(x, y)| *x & *y)
                .collect()
        )
    }
}

let bv1 = BooleanVector(vec![true, true, false, false]);
let bv2 = BooleanVector(vec![true, false, true, false]);
let expected = BooleanVector(vec![true, false, false, false]);
assert_eq!(bv1 & bv2, expected);

Required Associated Types ​

Output ​

应用 & 运算符后的结果类型。

rust
type Output

Required Methods ​

bitand ​

执行 & 操作。

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

参数：

  • rhs：执行 & 操作的右值

返回值：返回两者与运算后的值

rust
assert_eq!(true & false, false);
assert_eq!(true & true, true);
assert_eq!(5u8 & 1u8, 1);
assert_eq!(5u8 & 2u8, 0);

Implementors ​

impl BitAnd<&bool> for &bool ​

impl BitAnd<&bool> for bool ​

impl BitAnd<&i8> for &i8 ​

impl BitAnd<&i8> for i8 ​

impl BitAnd<&i16> for &i16 ​

impl BitAnd<&i16> for i16 ​

impl BitAnd<&i32> for &i32 ​

impl BitAnd<&i32> for i32 ​

impl BitAnd<&i64> for &i64 ​

impl BitAnd<&i64> for i64 ​

impl BitAnd<&i128> for &i128 ​

impl BitAnd<&i128> for i128 ​

impl BitAnd<&isize> for &isize ​

impl BitAnd<&isize> for isize ​

impl BitAnd<&u8> for &u8 ​

impl BitAnd<&u8> for u8 ​

impl BitAnd<&u16> for &u16 ​

impl BitAnd<&u16> for u16 ​

impl BitAnd<&u32> for &u32 ​

impl BitAnd<&u32> for u32 ​

impl BitAnd<&u64> for &u64 ​

impl BitAnd<&u64> for u64 ​

impl BitAnd<&u128> for &u128 ​

impl BitAnd<&u128> for u128 ​

impl BitAnd<&usize> for &usize ​

impl BitAnd<&usize> for usize ​

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

impl BitAnd<bool> for bool ​

impl BitAnd<i8> for i8 ​

impl BitAnd<i16> for i16 ​

impl BitAnd<i32> for i32 ​

impl BitAnd<i64> for i64 ​

impl BitAnd<i128> for i128 ​

impl BitAnd<isize> for isize ​

impl BitAnd<u8> for u8 ​

impl BitAnd<u16> for u16 ​

impl BitAnd<u32> for u32 ​

impl BitAnd<u64> for u64 ​

impl BitAnd<u128> for u128 ​

impl BitAnd<usize> for usize ​

impl BitAnd<Saturating<i8>> for Saturating<i8> ​

impl BitAnd<Saturating<i16>> for Saturating<i16> ​

impl BitAnd<Saturating<i32>> for Saturating<i32> ​

impl BitAnd<Saturating<i64>> for Saturating<i64> ​

impl BitAnd<Saturating<i128>> for Saturating<i128> ​

impl BitAnd<Saturating<isize>> for Saturating<isize> ​

impl BitAnd<Saturating<u8>> for Saturating<u8> ​

impl BitAnd<Saturating<u16>> for Saturating<u16> ​

impl BitAnd<Saturating<u32>> for Saturating<u32> ​

impl BitAnd<Saturating<u64>> for Saturating<u64> ​

impl BitAnd<Saturating<u128>> for Saturating<u128> ​

impl BitAnd<Saturating<usize>> for Saturating<usize> ​

impl BitAnd<Wrapping<i8>> for Wrapping<i8> ​

impl BitAnd<Wrapping<i16>> for Wrapping<i16> ​

impl BitAnd<Wrapping<i32>> for Wrapping<i32> ​

impl BitAnd<Wrapping<i64>> for Wrapping<i64> ​

impl BitAnd<Wrapping<i128>> for Wrapping<i128> ​

impl BitAnd<Wrapping<isize>> for Wrapping<isize> ​

impl BitAnd<Wrapping<u8>> for Wrapping<u8> ​

impl BitAnd<Wrapping<u16>> for Wrapping<u16> ​

impl BitAnd<Wrapping<u32>> for Wrapping<u32> ​

impl BitAnd<Wrapping<u64>> for Wrapping<u64> ​

impl BitAnd<Wrapping<u128>> for Wrapping<u128> ​

impl BitAnd<Wrapping<usize>> for Wrapping<usize> ​

impl<'a> BitAnd<bool> for &'a bool ​

impl<'a> BitAnd<i8> for &'a i8 ​

impl<'a> BitAnd<i16> for &'a i16 ​

impl<'a> BitAnd<i32> for &'a i32 ​

impl<'a> BitAnd<i64> for &'a i64 ​

impl<'a> BitAnd<i128> for &'a i128 ​

impl<'a> BitAnd<isize> for &'a isize ​

impl<'a> BitAnd<u8> for &'a u8 ​

impl<'a> BitAnd<u16> for &'a u16 ​

impl<'a> BitAnd<u32> for &'a u32 ​

impl<'a> BitAnd<u64> for &'a u64 ​

impl<'a> BitAnd<u128> for &'a u128 ​

impl<'a> BitAnd<usize> for &'a usize ​

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

impl<T, A> BitAnd<&BTreeSet<T, A>> for &BTreeSet<T, A> ​

rust
impl<T, A> BitAnd\<&BTreeSet<T, A>> for &BTreeSet<T, A>
where
  T: Ord + Clone,
  A: Allocator + Clone,

impl<T, S> BitAnd<&HashSet<T, S>> for &HashSet<T, S> ​

rust
impl<T, S> BitAnd<&HashSet<T, S>> for &HashSet<T, S>
where
  T: Eq + Hash + Clone,
  S: BuildHasher + Default,

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

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

impl<T, const LANES: usize> BitAnd<bool> for Mask<T, LANES> ​

rust
impl<T, const LANES: usize> BitAnd<bool> for Mask<T, LANES>
where
  T: MaskElement,
  LaneCount<LANES>: SupportedLaneCount,

impl<T, const LANES: usize> BitAnd<Mask<T, LANES>> for bool ​

rust
impl<T, const LANES: usize> BitAnd<Mask<T, LANES>> for bool
where
  T: MaskElement,
  LaneCount<LANES>: SupportedLaneCount,

impl<T, const LANES: usize> BitAnd<Mask<T, LANES>> for Mask<T, LANES> ​

rust
impl<T, const LANES: usize> BitAnd<Mask<T, LANES>> for Mask<T, LANES>
where
  T: MaskElement,
  LaneCount<LANES>: SupportedLaneCount,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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