don't define empty and/or

This commit is contained in:
Marcell Vazquez-Chanlatte 2017-02-27 21:27:43 -08:00
parent 8118c5ae50
commit f30d391171

View file

@ -131,10 +131,10 @@ def until(phi1, phi2, *, lo, hi):
return stl.ast.Until(Interval(lo, hi), phi1, phi2)
def andf(*args):
return reduce(op.and_, args, stl.And(tuple()))
return reduce(op.and_, args, None)
def orf(*args):
return reduce(op.or_, args, stl.Or(tuple()))
return reduce(op.or_, args, None)
def implies(x, y):
return ~x | y