From: Jakub Narebski <jnareb@gmail.com>
Date: Tue, 22 Aug 2006 21:54:26 GMT
Subject: Re: [PATCH 4/3] gitweb: Use here-doc
Message-ID: <ecfuef$riq$1@sea.gmane.org>
In-Reply-To: <200608222342.53861.jnareb@gmail.com>

Jakub Narebski wrote:

> This patch uses undocumented, at least in perlop(1), trick in
> interpolation that allows calling function from interpolated string,
> using ${\subroutine_name(parameters...)}, found in git_blame,
> and used in git_rss here-doc in this patch.

It is trick, using ${...} syntax described in perlref(1), where ... is a
expression returning reference (in our case scalar reference).
${\...} is similar to @{[...]} trick, dereference(reference(value)), where
dereference is only to have interpolation.  

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git