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Thu Jul 5 22:35:18 EDT 2018 · https://mail.python.org/pipermail/python-dev/2018-July/154415.html

On Thu, Jul 05, 2018 at 09:00:39PM -0400, Alexander Belopolsky wrote:

> Do we want to protect users who
> cannot tell = from == so much that  we are willing to cause Python to be
> the first language with two non-interchangeable assignment operators?

Not even close to the first. Go beat us to it -- it has both = and := 
assignment operators.

Ocaml also has := for regular assignment and <- for assignment to 
mutable fields.

Similarly, Haskall has = for assignment definitions and <- for binding 
in monads.

-- 
Steve

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Showing content from https://mail.python.org/pipermail/python-dev/2018-July/154415.html below:

[Python-Dev] PEP 572: Do we really need a ":" in ":="?