If set, this function acts as a threshold gate. If the function returns true the upstream value will trigger a ping Otherwise the value won't trigger a ping.
By default all values trigger a ping.
Laziness
If specified, signal is checked to prevent function execution. Also used for aborting a looped fromFunction.
If set, this function acts as a threshold gate. If the function returns true the upstream value will trigger a ping Otherwise the value won't trigger a ping.
By default all values trigger a ping.