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Re: ${a:=b} expands to `b', not `a''s value

From: Andreas Schwab
Subject: Re: ${a:=b} expands to `b', not `a''s value
Date: Wed, 20 Jan 2021 14:01:39 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.90 (gnu/linux)

On Jan 20 2021, Léa Gris wrote:

> Le 20/01/2021 à 13:51, Andreas Schwab écrivait :
>> But that's not the value of the parameter.
> It is not, since at this point, the parameter has no value,

That is not true.  Otherwise the expansion would be empty.

> the expansion expands the argument's value after ;= which is uppercase
> X here.

No, the parameter has the value x.


Andreas Schwab, schwab@linux-m68k.org
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