12/04/17 12:02:41.83
>>493
Pythonも同じ方針のやつ
import threading
fbdata = threading.local()
def fb(x, cnd, msg):
if isinstance(x, int):
fbdata.m = n = x
s = ""
else:
n = fbdata.m
s = x
if cnd(n):
return s + msg
elif s <> "":
return s
else:
return n
def fizz(n): return fb(n, lambda n: n%3==0, "Fizz")
def buzz(n): return fb(n, lambda n: n%5==0, "Buzz")
def gizz(n): return fb(n, lambda n: n%7==0, "Gizz")
assert fizz(1) == 1
assert fizz(3) == "Fizz"
assert buzz(fizz(1)) == 1
assert buzz(fizz(3)) == "Fizz"
assert buzz(fizz(5)) == "Buzz"
assert buzz(fizz(15)) == "FizzBuzz"
assert gizz(buzz(fizz(105))) == "FizzBuzzGizz"
assert buzz(gizz(fizz(105))) == "FizzGizzBuzz"