12/02/18 09:50:19.16
(>>897の続き)
def f(x, y)
raise TypeError unless x.kind_of?(Integer)
raise TypeError unless y.kind_of?(Integer)
z = x + y
raise TypeError unless z.kind_of?(Integer)
z
end
def g(x)
raise RuntimeError unless -1 < x && x < 1
print x
nil
end