17254, "mppf", "Update Types.chpl to have isNothingValue and isNothing in addition to isNothingType?", "2021-02-24T21:06:18Z"
Most of the functions in Types.chpl have variants along the lines of isRecord() that work for both types and values.
However we have isNothingType but not isNothingValue or isNothing.
I find isNothingValue a bit strange but would at least expect Types.chpl to include isNothing.