mutable

Mutable strings in Python

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Do you know of a Python library which provides mutable strings? Google returned surprisingly few results. The only usable library I found is http://code.google.com/p/gapbuffer/ which is in C but I would prefer it to be written in pure Python. Edit: Thanks for the responses but I’m after an efficient library. That is, ”.join(list) might work … Read more

Does the ‘mutable’ keyword have any purpose other than allowing the variable to be modified by a const function?

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It allows the differentiation of bitwise const and logical const. Logical const is when an object doesn’t change in a way that is visible through the public interface, like your locking example. Another example would be a class that computes a value the first time it is requested, and caches the result. Since c++11 mutable can be … Read more