Fixes #61.
For UGens without any output, such as AnalogOut and DigitalOut, returning 0.0 prevents the creation of a wrapping Out UGen, which in turn was seen messing with poll rates in issue #61.
This technique was copied from other outputless UGens, such as SendTrig.
Types of changes
Bug fix (non-breaking change which fixes an issue)
Purpose and Motivation
Fixes #61. For UGens without any output, such as AnalogOut and DigitalOut, returning 0.0 prevents the creation of a wrapping Out UGen, which in turn was seen messing with poll rates in issue #61. This technique was copied from other outputless UGens, such as SendTrig.
Types of changes
Checklist
Remaining Work