tasks a-s

Task/Queue-Definition/Python/queue-definition-2.py

@@ -0,0 +1,15 @@
+class FIFO:  ## NOT a new-style class, must not derive from "object"
+   def __init__(self,*args):
+       self.contents = list(args)
+   def __call__(self):
+       return self.pop()
+   def empty(self):
+       return bool(self.contents)
+   def pop(self):
+       return self.contents.pop(0)
+   def __getattr__(self, attr):
+       return getattr(self.contents,attr)
+   def next(self):
+       if not self:
+           raise StopIteration
+       return self.pop()