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Re: Checking if a function is built-in


From: Lennart Borgman (gmail)
Subject: Re: Checking if a function is built-in
Date: Tue, 10 Jun 2008 23:46:16 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666

Marc Tfardy wrote:
Nordlöw schrieb:
Is there a predicate that can check if a function is built-in?

,----[ C-h f fboundp RET ]
| fboundp is a built-in function in `C source code'.
| (fboundp symbol)
|
| Return t if symbol's function definition is not void.
|
| [back]
`----


This does not check if a function is built-in, but it gives a hint actually.

Look at the code for `describe-function'. Somewhere it writes "built-in".




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