VecDeque::clear

pub fn clear()

use collections::deque::{VecDeque};

Removes every value, keeping the capacity.

Called on a VecDeque value as value.clear(…).

Contracts#

Checked according to --contracts (see Contracts).

ensures self.len == 0

See also#

• VecDeque: A double-ended queue: constant-time push and pop at both ends.
• VecDeque::with_capacity: Empty deque with ring capacity rounded up to the next power of two (min 8).
• VecDeque::new: Empty deque with default capacity 8.
• VecDeque::size: Returns the number of values.
• VecDeque::is_empty: Returns true when the deque has no values.
• VecDeque::capacity: Returns how many values fit before the ring buffer grows.
• VecDeque::push_back: Adds v at the back.
• VecDeque::push_front: Adds v at the front.