def equ_numstr(self):
"""( y x -- y=x? )
push 1 if a number is equal to the sum of the characters in a string"""
y, x = self.popn()
if allof(isstr(y), isnum(x)):
self.push(CatClutter.bool2int(x == CatClutter.strsum(y)))
elif allof(isnum(y), isstr(x)):
self.push(CatClutter.bool2int(y == CatClutter.strsum(x)))
else:
CatLogger.Crit("unexpected types for equ_numstr")
def add_str(self):
"""( y x -- y+x )
concatenate two strings"""
y, x = self.popn()
if allof(not isnone(y), not isnone(x)):
self.push(x + y)
def add_num(self):
"""( y x -- y+x )
add two numbers"""
y, x = self.popn()
if allof(not isnone(y), not isnone(x)):
self.push(x + y)