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Method in collections::tree · TreeMap coil-stdlib

`TreeMap::is_empty`

pub fn is_empty() -> bool

Import

use collections::tree::{TreeMap};

Source: src/collections/tree.hy

Returns true when the map has no entries.

Called on a TreeMap value as value.is_empty(…).

Returns#

bool

See also#

TreeMap: An ordered map from keys of type K to values of type V.
TreeMap::new: Creates an empty map.
TreeMap::empty: Creates an empty map; the same as TreeMap::new.
TreeMap::size: Returns the number of 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.