Revise Hashset impl and doc - Githubissues

weihanglo / rust-algorithm-club

Learn algorithms and data structures with Rust

https://weihanglo.tw/rust-algorithm-club

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Revise Hashset impl and doc #22

Closed weihanglo closed 5 years ago

weihanglo commented 5 years ago

Close #20

Revise API doc of HashSet.
Remove unnecessary struct declaration; use move closure to avoid lifetime issues.
Implement is_superset, is_subset and is_disjoint.
Implement PartialOrd.
Add test cases to ensure the properties of empty set.

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