12.04.19 19:17, Inada Naoki пише:
> Maybe, collections.DictBuilder may be another option. e.g.
>
>>>> from collections import DictBuilder
>>>> builder = DictBuilder(tuple("abc"))
>>>> builder.build(range(3))
> {"a": 0, "b": 1, "c": 2}
Nitpicking: this is rather a factory than a builder. The difference
between the patterns is that you create a new builder object for every dict:
builder = DictBuilder()
builder['a'] = 0
builder['b'] = 1
builder['c'] = 2
result = builder.build()
and create a fabric only for the whole class of dicts:
factory = DictFactory(tuple("abc")) # only once
...
result = factory(range(3))
I like the idea of a factory object more than the idea of the dict method.
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