Course of Raku / Functional, concurrent, reactive, and web programming / Concurrent programming / Channels / Exercises / Drain a channel

Solution: Drain a channel

Here is a possible solution to the task.

Code

my $c = Channel.new;
$c.send('a');
$c.send('b');
$c.close;

say $c.list.join(',');

🦋 You can find the source code in the file drain-channel.raku.

Output

a,b

Comments

1. .list drains every value left in the closed channel, in order.

2. .join(',') glues the two strings together with a comma between them.

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