TreeMap::new

pub static fn new() -> TreeMap<K, V>

use collections::tree::{TreeMap};

Creates an empty map.

Returns#

TreeMap<K, V>

Examples#

use collections::tree::{TreeMap};
use tests::assert;
let m: TreeMap<string, int> = TreeMap::new();
assert!(m.is_empty());

See also#

• TreeMap: An ordered map from keys of type K to values of type V.
• TreeMap::empty: Creates an empty map; the same as TreeMap::new.
• TreeMap::size: Returns the number of entries.
• TreeMap::is_empty: Returns true when the map has no entries.
• TreeMap::clear: Removes every entry.
• TreeMap::iter: Returns an iterator over the entries in ascending key order.
• TreeMap::insert: Stores v under k, replacing any value already there.
• TreeMap::contains: Returns true when the map has an entry for k.