Access applies the Accessor" to each element in "input" using the goroutines Pool.

Modify applies the Modifier to each element in "input" using the goroutines Pool in parallel.

WithPool sets a goroutines.Pool and its submit options used in a function call.

WithStopOnErr causes the operation to stop if an error occurs.

StreamResult is a result from a Stream operation.

ChanOption is an option for Chan().

Accessor is called for all values in a channel.