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A synchronization primitive, which allows fibers to wait until a particular condition is (edge) triggered. Zero or more fibers can wait on a condition. When the condition is signalled, the fibers will be resumed in order.
## Example
~~~ ruby
require 'async'
Sync do
condition = Async::Condition.new
Async do
Console.info "Waiting for condition..."
value = condition.wait
Console.info "Condition was signalled: #{value}"
end
Async do |task|
sleep(1)
Console.info "Signalling condition..."
condition.signal("Hello World")
end
end
~~~
### Output
~~~
0.0s info: Waiting for condition...
1.0s info: Signalling condition...
1.0s info: Condition was signalled: Hello World
~~~
|
