#!/usr/bin/env python
# coding=utf-8
"""
compute Fibonacci by iterator
"""
__metaclass__ = type
class Fibs:
def __init__(self, max):
self.max = max
self.a = 0
self.b = 1
def __iter__(self):
return self
def next(self):
fib = self.a
if fib > self.max:
raise StopIteration
self.a, self.b = self.b, self.a + self.b
return fib
if __name__ == "__main__":
fibs = Fibs(5)
print list(fibs)