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
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