Method in task · Channel compiler

`Channel::len`

pub fn len() -> int

Import

use task::{Channel};

Returns the number of values waiting to be received.

Called on a Channel value as value.len(…).

Returns#

int

Channel: A bounded queue for passing values between tasks.
Channel::send: Adds value to the channel, waiting while it is full (a suspension point).
Channel::try_send: Adds value if there is room, without waiting.
Channel::recv: Takes the oldest value, waiting while the channel is empty (a suspension point).
Channel::try_recv: Takes the oldest value if there is one, without waiting.
Channel::close: Closes the channel: no more values can be sent.
Channel::capacity: Returns the most values the channel can hold.
Channel::is_closed: Returns true once close has been called.