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Eryn Wells 2018-03-31 15:18:42 -07:00
parent 804902efc9
commit 3db9fd5dab
1 changed files with 4 additions and 7 deletions
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11
src/xor.rs
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@ -5,17 +5,14 @@ use std::iter::{Iterator, Map, Zip};
// Bad, // Bad,
//} //}
pub type FixedXOR<T, F> = Map<Zip<T, T>, F>; pub trait FixedXORable<T> {
fn fixed_xor(self, other: T) -> Map<Zip<T, T>, fn((u8, u8)) -> u8>;
pub trait FixedXORable<T, F> {
fn fixed_xor(self, other: T) -> FixedXOR<T, F>;
} }
impl<'a, T, F> FixedXORable<T, F> for T impl<'a, T> FixedXORable<T> for T
where T: Iterator<Item=u8> + 'a, where T: Iterator<Item=u8> + 'a,
F: Fn((u8,u8)) -> u8
{ {
fn fixed_xor(self, other: T) -> FixedXOR<T, F> { fn fixed_xor(self, other: T) -> Map<Zip<T, T>, fn((u8, u8)) -> u8> {
fn xor(tup: (u8, u8)) -> u8 { tup.0 ^ tup.1 } fn xor(tup: (u8, u8)) -> u8 { tup.0 ^ tup.1 }
self.zip(other).map(xor) self.zip(other).map(xor)
} }