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Re: Generalizing find-definition

From: Stefan Monnier
Subject: Re: Generalizing find-definition
Date: Thu, 11 Dec 2014 15:11:08 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)

>> - If we restrict identifier to "a string or nil or t", then we can get
>> rid of identifier-to-string.
> Doesn't look like a great idea to me.  identifier-to-string is used to
> create error messages like: "No known definitions for: fooo".  How would
> the message look like for the t case?

The message could look like "No known definition for ident at point".

The use case for `t' is when the backend doesn't even know how to name
the identifier at point.  It just passes the whole file along with the
position of point to some external program which returns the possible
definitions.  So there really might really be no good string
representation, regardless of our API (maybe the external program could
give us some kind of textual representation name for it, but then again
maybe it doesn't support this functionality and maybe this description
would be too long/complex).


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