#[lang = "bitand_assign"]pub trait BitAndAssign<Rhs = Self> {
fn bitand_assign(&mut self, rhs: Rhs);
}The bitwise AND assignment operator &=.
An implementation of BitAndAssign that lifts the &= operator to a
wrapper around bool.
use std::ops::BitAndAssign;
#[derive(Debug, PartialEq)]
struct Scalar(bool);
impl BitAndAssign for Scalar {
fn bitand_assign(&mut self, rhs: Self) {
*self = Self(self.0 & rhs.0)
}
}
let mut scalar = Scalar(true);
scalar &= Scalar(true);
assert_eq!(scalar, Scalar(true));
let mut scalar = Scalar(true);
scalar &= Scalar(false);
assert_eq!(scalar, Scalar(false));
let mut scalar = Scalar(false);
scalar &= Scalar(true);
assert_eq!(scalar, Scalar(false));
let mut scalar = Scalar(false);
scalar &= Scalar(false);
assert_eq!(scalar, Scalar(false));Run
Here, the BitAndAssign trait is implemented for a wrapper around
Vec<bool>.
use std::ops::BitAndAssign;
#[derive(Debug, PartialEq)]
struct BooleanVector(Vec<bool>);
impl BitAndAssign for BooleanVector {
fn bitand_assign(&mut self, rhs: Self) {
assert_eq!(self.0.len(), rhs.0.len());
*self = Self(
self.0
.iter()
.zip(rhs.0.iter())
.map(|(x, y)| *x & *y)
.collect()
);
}
}
let mut bv = BooleanVector(vec![true, true, false, false]);
bv &= BooleanVector(vec![true, false, true, false]);
let expected = BooleanVector(vec![true, false, false, false]);
assert_eq!(bv, expected);Run
Performs the &= operation.
let mut x = true;
x &= false;
assert_eq!(x, false);
let mut x = true;
x &= true;
assert_eq!(x, true);
let mut x: u8 = 5;
x &= 1;
assert_eq!(x, 1);
let mut x: u8 = 5;
x &= 2;
assert_eq!(x, 0);
Run
Loading content...impl BitAndAssign<&'_ Wrapping<i16>> for Wrapping<i16>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<i32>> for Wrapping<i32>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<i64>> for Wrapping<i64>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<i128>> for Wrapping<i128>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<isize>> for Wrapping<isize>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<u16>> for Wrapping<u16>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<u32>> for Wrapping<u32>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<u64>> for Wrapping<u64>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<u128>> for Wrapping<u128>1.22.0[src]
impl BitAndAssign<&'_ Wrapping<usize>> for Wrapping<usize>1.22.0[src]
impl BitAndAssign<&'_ bool> for bool1.22.0[src]
impl BitAndAssign<&'_ i8> for i81.22.0[src]
impl BitAndAssign<&'_ i16> for i161.22.0[src]
impl BitAndAssign<&'_ i32> for i321.22.0[src]
impl BitAndAssign<&'_ i64> for i641.22.0[src]
impl BitAndAssign<&'_ i128> for i1281.22.0[src]
impl BitAndAssign<&'_ isize> for isize1.22.0[src]
impl BitAndAssign<&'_ u8> for u81.22.0[src]
impl BitAndAssign<&'_ u16> for u161.22.0[src]
impl BitAndAssign<&'_ u32> for u321.22.0[src]
impl BitAndAssign<&'_ u64> for u641.22.0[src]
impl BitAndAssign<&'_ u128> for u1281.22.0[src]
impl BitAndAssign<&'_ usize> for usize1.22.0[src]
impl BitAndAssign<bool> for bool[src]
impl BitAndAssign<i8> for i8[src]
impl BitAndAssign<i16> for i16[src]
impl BitAndAssign<i32> for i32[src]
impl BitAndAssign<i64> for i64[src]
impl BitAndAssign<i128> for i128[src]
impl BitAndAssign<isize> for isize[src]
impl BitAndAssign<u8> for u8[src]
impl BitAndAssign<u16> for u16[src]
impl BitAndAssign<u32> for u32[src]
impl BitAndAssign<u64> for u64[src]
impl BitAndAssign<u128> for u128[src]
impl BitAndAssign<usize> for usize[src]
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