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use crate::{Hamming, MetricPoint}; macro_rules! hamming_impl { ($x:ty) => { impl MetricPoint for Hamming<$x> { fn distance(&self, rhs: &Self) -> u32 { let Hamming(a) = *self; let Hamming(b) = *rhs; (a ^ b).count_ones() } } }; } hamming_impl!(u8); hamming_impl!(u16); hamming_impl!(u32); hamming_impl!(u64); hamming_impl!(u128); #[cfg(feature = "hamming-vec")] mod vec_impls { use crate::{Hamming, MetricPoint}; use alloc::vec::Vec; macro_rules! hamming_vec_impl { ($x:ty) => { impl MetricPoint for Hamming<Vec<$x>> { fn distance(&self, rhs: &Self) -> u32 { let Hamming(a) = self; let Hamming(b) = rhs; a.iter().zip(b).map(|(&a, &b)| (a ^ b).count_ones()).sum() } } }; } hamming_vec_impl!(u8); hamming_vec_impl!(u16); hamming_vec_impl!(u32); hamming_vec_impl!(u64); hamming_vec_impl!(u128); }