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A comment on Git is a purely functional data structure (2013). Parent comment

Re:Git is a purely functional data structure (2013) by no_wizard on Saturday December 09, 2017 @07:18PM (#15888954)
Python however does provide some immutable constructs as part of it’s core language (Tuples)

It also has the ability to really take any object and attach states to it at whim, including immutability.

I think that’s a better trade off than JS

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Re:Git is a purely functional data structure (2013) by masklinn on Sunday December 10, 2017 @04:50AM (#15890710)
I think you completely missed my point. That aside,

> Python however does provide some immutable constructs as part of it’s core language (Tuples)

That doesn't really help when you're looking for persistent datastructures.

> It also has the ability to really take any object and attach states to it at whim, including immutability.

No, and if it did that would not be an advantage in this context.

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