4 releases (stable)

Uses old Rust 2015

1.0.2 Feb 14, 2025
1.0.1 Jul 10, 2023
1.0.0 Jun 6, 2023
0.1.0 Feb 5, 2023

#90 in Data structures

Download history 2506637/week @ 2024-11-19 2237313/week @ 2024-11-26 2570419/week @ 2024-12-03 2816116/week @ 2024-12-10 2364173/week @ 2024-12-17 1385858/week @ 2024-12-24 1743148/week @ 2024-12-31 2732581/week @ 2025-01-07 2733259/week @ 2025-01-14 2750017/week @ 2025-01-21 2831693/week @ 2025-01-28 3027502/week @ 2025-02-04 3193002/week @ 2025-02-11 3802513/week @ 2025-02-18 3802375/week @ 2025-02-25 3453317/week @ 2025-03-04

14,764,067 downloads per month
Used in 35,200 crates (22 directly)

Apache-2.0 OR MIT

8KB

Equivalent

crates.io docs

Equivalent and Comparable are Rust traits for key comparison in maps.

These may be used in the implementation of maps where the lookup type Q may be different than the stored key type K.

  • Q: Equivalent<K> checks for equality, similar to the HashMap<K, V> constraint K: Borrow<Q>, Q: Eq.
  • Q: Comparable<K> checks the ordering, similar to the BTreeMap<K, V> constraint K: Borrow<Q>, Q: Ord.

These traits are not used by the maps in the standard library, but they may add more flexibility in third-party map implementations, especially in situations where a strict K: Borrow<Q> relationship is not available.

License

Equivalent is distributed under the terms of both the MIT license and the Apache License (Version 2.0). See LICENSE-APACHE and LICENSE-MIT for details. Opening a pull request is assumed to signal agreement with these licensing terms.

No runtime deps