Trait nom::lib::std::ops::Shl 1.0.0
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[src]
#[lang = "shl"]pub trait Shl<RHS> { type Output; fn shl(self, rhs: RHS) -> Self::Output; }
The left shift operator <<
.
Examples
An implementation of Shl
that lifts the <<
operation on integers to a
wrapper around usize
.
use std::ops::Shl; #[derive(PartialEq, Debug)] struct Scalar(usize); impl Shl<Scalar> for Scalar { type Output = Self; fn shl(self, Scalar(rhs): Self) -> Scalar { let Scalar(lhs) = self; Scalar(lhs << rhs) } } assert_eq!(Scalar(4) << Scalar(2), Scalar(16));
An implementation of Shl
that spins a vector leftward by a given amount.
use std::ops::Shl; #[derive(PartialEq, Debug)] struct SpinVector<T: Clone> { vec: Vec<T>, } impl<T: Clone> Shl<usize> for SpinVector<T> { type Output = Self; fn shl(self, rhs: usize) -> SpinVector<T> { // Rotate the vector by `rhs` places. let (a, b) = self.vec.split_at(rhs); let mut spun_vector: Vec<T> = vec![]; spun_vector.extend_from_slice(b); spun_vector.extend_from_slice(a); SpinVector { vec: spun_vector } } } assert_eq!(SpinVector { vec: vec![0, 1, 2, 3, 4] } << 2, SpinVector { vec: vec![2, 3, 4, 0, 1] });
Associated Types
type Output
The resulting type after applying the <<
operator.