Std.Channel.channel

fn

This is a callable function.

What it does

A channel holding at most the given count of items.

The bound is what makes a channel apply back-pressure: a sender waits when

the channel is full, so a fast producer is slowed to the speed of its

consumer rather than turning the difference into memory. A queue without a

bound does not remove that problem, it postpones it until there is no

memory left.

A bound below one is taken as one. A channel with no room could never be

sent to, and a caller writing zero meant the smallest useful channel rather

than one that stops the program.

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