On 17/11/2017 15:14, Marcin Tustin wrote:
I'm against this because Python's strength is its simplicity.

If it was simple once, then it isn't any more.

Perhaps you mean consistency, in having only one class of identifier which can always be assigned to.

All the benefits of this can be achieved with linting.

The significance of true constants can go beyond that, assuming the proposal is not merely for some 'write-protect' flag on an ordinary variable.

Proper constants allow reduction of expressions using them at compile-time. They allow lightweight enums that do the same.

They allow the possibility of an efficient 'switch' statement.

And that's just for numeric constants. If applied also to constant defs, classes and imports, they introduce extra scope for compile-time optimising.


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