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Re: defvars at compile time


From: Johan Bockgård
Subject: Re: defvars at compile time
Date: Thu, 16 Mar 2006 23:27:27 +0100
User-agent: Gnus/5.110004 (No Gnus v0.4) Emacs/22.0.50 (gnu/linux)

Kevin Rodgers <address@hidden> writes:

> (defmacro symbol-value-safe (symbol)
>   "Return SYMBOL's value, but avoid signaling an error if it is void.
> If SYMBOL is void, return nil."
[...]

,----[ C-h f bound-and-true-p RET ]
| bound-and-true-p is a Lisp macro in `bindings.el'.
| (bound-and-true-p VAR)
| 
| Return the value of symbol VAR if it is bound, else nil.
`----

-- 
Johan Bockgård





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