frozendict is a simple immutable dictionary. It's fast as dict, and sometimes faster!
Unlike other similar implementations, immutability is guaranteed: you can't change the internal variables of the class, and they are all immutable objects. Reinvoking __init__ does not alter the object.
The API is the same as dict, without methods that can change the immutability. So it supports also fromkeys, unlike other implementations. Furthermore it can be pickled, unpickled and have an hash, if all values are hashable.
You can also add any dict to a frozendict using the | operator. The result is a new frozendict.
Unlike other similar implementations, immutability is guaranteed: you can't change the internal variables of the class, and they are all immutable objects. Reinvoking __init__ does not alter the object.
The API is the same as dict, without methods that can change the immutability. So it supports also fromkeys, unlike other implementations. Furthermore it can be pickled, unpickled and have an hash, if all values are hashable.
You can also add any dict to a frozendict using the | operator. The result is a new frozendict.
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License:
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