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| class Mappable: | |
| def __init__(self, items): self.items = items | |
| def map(self, func): | |
| return self.__class__(map(func, self.items)) | |
| class Filterable: | |
| def __init__(self, items): self.items = items | |
| def filter(self, func): | |
| return self.__class__(filter(func, self.items)) | |
| class Hosts(object, Mappable, Filterable): | |
| def __init__(self, items): | |
| super(Hosts, self).__init__() | |
| self.items = items | |
| hosts = Hosts(["one", "two", 1337]) | |
| print hosts\ | |
| .filter(lambda x: type(x) == str)\ | |
| .filter(lambda x: not x.startswith("one"))\ | |
| .map(lambda x: {x: x*2})\ | |
| .items | |
| print hosts |
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