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bug#11328: 24.1.50; Comment in `dired-copy-file-recursive' code

From: Thierry Volpiatto
Subject: bug#11328: 24.1.50; Comment in `dired-copy-file-recursive' code
Date: Thu, 26 Apr 2012 20:38:35 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux)

"Drew Adams" <address@hidden> writes:

> As I explained, in the particular case of NAME-CONSTRUCTOR and TARGET the 
> caller
> does not in fact ever need (make use of) the _variable_ TARGET.  All it needs 
> is
> its value, i.e., the value at the time and place that the lambda is 
> constructed,
> in `d-do-create-files'.
> So there is no need to include the _variable_ itself in the lambda form.  It 
> is
> sufficient to use its value there.  That is clearer to read and is cleaner 
> code.
Yes that is what i wanted to explain.

> And there is no need either to pass TARGET as an additional argument to
> `d-create-files'.
Of course there is no need to do this, it would change nothing, just
make the code clearer to use and read.

What can be done also is leave `dired-create-files' as it is and modify
`dired-do-create-files' to have a generic function usable anywhere
(actually it is usable only in dired) and easy to use; It is what I do here.

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