1 unstable release
Uses old Rust 2015
0.9.0 | Jan 20, 2016 |
---|
#16 in #hashmap
3KB
HashMap to HashMap
Adds a method .map
to HashMap that maps to another HashMap
let brad = Person {
id: 1,
first_name: "Brad",
last_name: "Urani",
};
let susan = Person {
id: 2,
first_name: "Susan",
last_name: "Urani",
};
let mut h: HashMap<i32, Person> = HashMap::new();
h.insert(12, brad);
h.insert(29, susan);
let new_map = h.map(|k, v| v.id,
|k, v| k.to_string() + &"-" + &v.first_name + &" " + &v.last_name);
// { 1: "12-Brad Urani", 2: "29-Susan Urani" }