[Python-Dev] Reserve ':=' for type-inferred variable initialization (was PEP 572) (original) (raw)

Greg Ewing greg.ewing at canterbury.ac.nz
Fri Apr 27 03:38:33 EDT 2018


Fatty Morgan wrote:

Distinguishing in a rather unobtrusive way (no 'var' or 'let') the initialization of a previously unbound variable 'name := expr' and the re-assignment of a previously bound variable 'name = expr'

That would be a massively confusing change. It's a fine idea for a new language, but I can't see a smooth way to get there from existing Python.

-- Greg



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