Function nekolib::algo::ordered_hash_::ordered_hash

pub fn ordered_hash<'a, K: Ord>(buf: &'a [K]) -> BTreeMap<&'a K, usize>

座標圧縮。

Examples

use nekolib::algo::ordered_hash;

let oh = ordered_hash(&[0, 1, 3, 1, 5]);
assert_eq!(oh.len(), 4);
assert_eq!(oh[&0], 0);
assert_eq!(oh[&1], 1);
assert_eq!(oh[&3], 2);
assert_eq!(oh[&5], 3);