pub trait BitAnd<RHS = Self> {
type Output;
fn bitand(self, rhs: RHS) -> Self::Output;
}
The BitAnd trait is used to specify the functionality of &.
In this example, the & operator is lifted to a trivial Scalar type.
use std::ops::BitAnd;
#[derive(Debug, PartialEq)]
struct Scalar(bool);
impl BitAnd for Scalar {
type Output = Self;
// rhs is the "right-hand side" of the expression `a & b`
fn bitand(self, rhs: Self) -> Self {
Scalar(self.0 & rhs.0)
}
}
fn main() {
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));
} In this example, the BitAnd trait is implemented for a BooleanVector struct.
use std::ops::BitAnd;
#[derive(Debug, PartialEq)]
struct BooleanVector(Vec<bool>);
impl BitAnd for BooleanVector {
type Output = Self;
fn bitand(self, BooleanVector(rhs): Self) -> Self {
let BooleanVector(lhs) = self;
assert_eq!(lhs.len(), rhs.len());
BooleanVector(lhs.iter().zip(rhs.iter()).map(|(x, y)| *x && *y).collect())
}
}
fn main() {
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);
} type OutputThe resulting type after applying the & operator
impl<'a, 'b, T> BitAnd<&'b BTreeSet<T>> for &'a BTreeSet<T> where T: Ord + Cloneimpl<E> BitAnd<EnumSet<E>> for EnumSet<E> where E: CLikeimpl BitAnd<Wrapping<usize>> for std::num::Wrapping<usize>impl BitAnd<Wrapping<u8>> for std::num::Wrapping<u8>impl BitAnd<Wrapping<u16>> for std::num::Wrapping<u16>impl BitAnd<Wrapping<u32>> for std::num::Wrapping<u32>impl BitAnd<Wrapping<u64>> for std::num::Wrapping<u64>impl BitAnd<Wrapping<isize>> for std::num::Wrapping<isize>impl BitAnd<Wrapping<i8>> for std::num::Wrapping<i8>impl BitAnd<Wrapping<i16>> for std::num::Wrapping<i16>impl BitAnd<Wrapping<i32>> for std::num::Wrapping<i32>impl BitAnd<Wrapping<i64>> for std::num::Wrapping<i64>impl<'a> BitAnd<Wrapping<usize>> for &'a Wrapping<usize>impl<'a> BitAnd<&'a Wrapping<usize>> for std::num::Wrapping<usize>impl<'a, 'b> BitAnd<&'a Wrapping<usize>> for &'b Wrapping<usize>impl<'a> BitAnd<Wrapping<u8>> for &'a Wrapping<u8>impl<'a> BitAnd<&'a Wrapping<u8>> for std::num::Wrapping<u8>impl<'a, 'b> BitAnd<&'a Wrapping<u8>> for &'b Wrapping<u8>impl<'a> BitAnd<Wrapping<u16>> for &'a Wrapping<u16>impl<'a> BitAnd<&'a Wrapping<u16>> for std::num::Wrapping<u16>impl<'a, 'b> BitAnd<&'a Wrapping<u16>> for &'b Wrapping<u16>impl<'a> BitAnd<Wrapping<u32>> for &'a Wrapping<u32>impl<'a> BitAnd<&'a Wrapping<u32>> for std::num::Wrapping<u32>impl<'a, 'b> BitAnd<&'a Wrapping<u32>> for &'b Wrapping<u32>impl<'a> BitAnd<Wrapping<u64>> for &'a Wrapping<u64>impl<'a> BitAnd<&'a Wrapping<u64>> for std::num::Wrapping<u64>impl<'a, 'b> BitAnd<&'a Wrapping<u64>> for &'b Wrapping<u64>impl<'a> BitAnd<Wrapping<isize>> for &'a Wrapping<isize>impl<'a> BitAnd<&'a Wrapping<isize>> for std::num::Wrapping<isize>impl<'a, 'b> BitAnd<&'a Wrapping<isize>> for &'b Wrapping<isize>impl<'a> BitAnd<Wrapping<i8>> for &'a Wrapping<i8>impl<'a> BitAnd<&'a Wrapping<i8>> for std::num::Wrapping<i8>impl<'a, 'b> BitAnd<&'a Wrapping<i8>> for &'b Wrapping<i8>impl<'a> BitAnd<Wrapping<i16>> for &'a Wrapping<i16>impl<'a> BitAnd<&'a Wrapping<i16>> for std::num::Wrapping<i16>impl<'a, 'b> BitAnd<&'a Wrapping<i16>> for &'b Wrapping<i16>impl<'a> BitAnd<Wrapping<i32>> for &'a Wrapping<i32>impl<'a> BitAnd<&'a Wrapping<i32>> for std::num::Wrapping<i32>impl<'a, 'b> BitAnd<&'a Wrapping<i32>> for &'b Wrapping<i32>impl<'a> BitAnd<Wrapping<i64>> for &'a Wrapping<i64>impl<'a> BitAnd<&'a Wrapping<i64>> for std::num::Wrapping<i64>impl<'a, 'b> BitAnd<&'a Wrapping<i64>> for &'b Wrapping<i64>impl BitAnd<Wrapping<u128>> for std::num::Wrapping<u128>impl BitAnd<Wrapping<i128>> for std::num::Wrapping<i128>impl<'a> BitAnd<Wrapping<u128>> for &'a Wrapping<u128>impl<'a> BitAnd<&'a Wrapping<u128>> for std::num::Wrapping<u128>impl<'a, 'b> BitAnd<&'a Wrapping<u128>> for &'b Wrapping<u128>impl<'a> BitAnd<Wrapping<i128>> for &'a Wrapping<i128>impl<'a> BitAnd<&'a Wrapping<i128>> for std::num::Wrapping<i128>impl<'a, 'b> BitAnd<&'a Wrapping<i128>> for &'b Wrapping<i128>impl BitAnd<bool> for boolimpl BitAnd<usize> for usizeimpl BitAnd<u8> for u8impl BitAnd<u16> for u16impl BitAnd<u32> for u32impl BitAnd<u64> for u64impl BitAnd<isize> for isizeimpl BitAnd<i8> for i8impl BitAnd<i16> for i16impl BitAnd<i32> for i32impl BitAnd<i64> for i64impl<'a> BitAnd<bool> for &'a boolimpl<'a> BitAnd<&'a bool> for boolimpl<'a, 'b> BitAnd<&'a bool> for &'b boolimpl<'a> BitAnd<usize> for &'a usizeimpl<'a> BitAnd<&'a usize> for usizeimpl<'a, 'b> BitAnd<&'a usize> for &'b usizeimpl<'a> BitAnd<u8> for &'a u8impl<'a> BitAnd<&'a u8> for u8impl<'a, 'b> BitAnd<&'a u8> for &'b u8impl<'a> BitAnd<u16> for &'a u16impl<'a> BitAnd<&'a u16> for u16impl<'a, 'b> BitAnd<&'a u16> for &'b u16impl<'a> BitAnd<u32> for &'a u32impl<'a> BitAnd<&'a u32> for u32impl<'a, 'b> BitAnd<&'a u32> for &'b u32impl<'a> BitAnd<u64> for &'a u64impl<'a> BitAnd<&'a u64> for u64impl<'a, 'b> BitAnd<&'a u64> for &'b u64impl<'a> BitAnd<isize> for &'a isizeimpl<'a> BitAnd<&'a isize> for isizeimpl<'a, 'b> BitAnd<&'a isize> for &'b isizeimpl<'a> BitAnd<i8> for &'a i8impl<'a> BitAnd<&'a i8> for i8impl<'a, 'b> BitAnd<&'a i8> for &'b i8impl<'a> BitAnd<i16> for &'a i16impl<'a> BitAnd<&'a i16> for i16impl<'a, 'b> BitAnd<&'a i16> for &'b i16impl<'a> BitAnd<i32> for &'a i32impl<'a> BitAnd<&'a i32> for i32impl<'a, 'b> BitAnd<&'a i32> for &'b i32impl<'a> BitAnd<i64> for &'a i64impl<'a> BitAnd<&'a i64> for i64impl<'a, 'b> BitAnd<&'a i64> for &'b i64impl BitAnd<u128> for u128impl BitAnd<i128> for i128impl<'a> BitAnd<u128> for &'a u128impl<'a> BitAnd<&'a u128> for u128impl<'a, 'b> BitAnd<&'a u128> for &'b u128impl<'a> BitAnd<i128> for &'a i128impl<'a> BitAnd<&'a i128> for i128impl<'a, 'b> BitAnd<&'a i128> for &'b i128impl<'a, 'b, T, S> BitAnd<&'b HashSet<T, S>> for &'a HashSet<T, S> where T: Eq + Hash + Clone,
S: BuildHasher + Default
© 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.BitAnd.html