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| From: | LanX |
| Subject: | Re: What is the difference between defsubst and defun ? |
| Date: | Sat, 4 Dec 2010 16:27:40 -0800 (PST) |
| User-agent: | G2/1.0 |
it's documented see
http://www.gnu.org/software/emacs/elisp/html_node/Inline-Functions.html
in short it's a function which is not called but the body is copied in
place ("inline") like a macro.
Like this the overhead of a function call is safed with the
disadvantage of expanded code size.
Perl has a limited support for inline functions.
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