gistfile1.txt

# TODO: make mix-in functions return objects of the same type?
# Whatever objects they would return, but with the mix-in mixed in?

class enumerable(object):
    def filter(self, f):
        return filter(f, self)
    def map(self, f):
        return map(f, self)
    def foreach(self, f):
        return [f(x) for x in self]

class rudict(dict, enumerable):
    pass

class rulist(dict, enumerable):
    def __init__(self, enum):
        for x in enum:
            self.append(x)

if __name__ == '__main__':
    x = rudict()
    x['a'] = 3
    x['b'] = 4
    x['c'] = 5
    x['d'] = 6
    print x
    print x.filter(lambda x: x>'b')