Map like wrapper around a list with tuple pairs. Inspired by Elixir's Keyword lists.
Because it is just a list with tuples, keys can be anything that can be put in a tuple. Also means that getting a value is not efficient.
For something more usefull and quite similar take a look at: https://docs.rs/multimap ```rust use keylist::Keylist;
let mut keylist = Keylist::from(vec![("a", 5), ("b", 2), ("a", 1)]);
assert_eq!(keylist.get(&"a"), Some(&5));
keylist.sortbyvalue();
assert_eq!(keylist.get(&"a"), Some(&1));
keylist.push("z", 26);
assert_eq!(keylist.get(&"z"), Some(&26));
keylist.insert(1, "z", 2);
assert_eq!(keylist.get(&"z"), Some(&2));
asserteq!(keylist.getall(&"z"), vec![&2, &26]);
asserteq!(keylist.getkey_value(&"b"), Some(&("b", 2)));
let mut swappedkeylist = keylist.intoswapped();
asserteq!(swappedkeylist.get(&2), Some(&"z"));
asserteq!(swappedkeylist.get_all(&2), vec![&"z", &"b"]);
swapped_keylist.sort();
asserteq!(swappedkeylist.get_all(&2), vec![&"b", &"z"]);
swapped_keylist.extend(vec![(3, "b"), (2, "g")]);
asserteq!(swappedkeylist.get_all(&2), vec![&"b", &"z", &"g"]);
```
Convert keylist to map and back: ```rust use std::collections::HashMap; use std::iter::FromIterator; use keylist::Keylist;
let keylist = Keylist::from(vec![("a", 5), ("b", 2), ("c", 1)]);
let mut map = HashMap::new(); map.extend(vec![("a", 5), ("b", 2), ("c", 1)]);
let mapfromkeylist = HashMap::fromiter(keylist.clone()); let mut keylistfrommap = Keylist::fromiter(map.clone()); keylistfrommap.sort();
asserteq!(map, mapfromkeylist); asserteq!(keylist, keylistfrommap); ```
Arbitrary example: ```rust use keylist::Keylist;
let mut keylist = Keylist::new(); keylist.push(vec![3.12, 0.12], "a"); keylist.push(vec![0.1235, 34.121551], "c");
assert_eq!(keylist.get(&vec![0.1235, 34.121551]), Some(&"c"));
```