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* finding procedure definitions
@ 2008-02-29 16:30 Scott N. Walck
  0 siblings, 0 replies; 2+ messages in thread
From: Scott N. Walck @ 2008-02-29 16:30 UTC (permalink / raw)
  To: guile-user

Guile folks,

Is there a way to ask for the definition of a procedure or to find the
source code for a procedure?

For example, "symbol" is a guile procedure.  I can see that by typing
its name.

guile> symbol
#<procedure symbol args>

But how can I find more information, such as its definition, including
what types of arguments it expects and what it does and returns?  I
don't see symbol listed in the Guile Reference manual index.  I'm not
sure where to look in the source code.

Thanks,

Scott





^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: finding procedure definitions
@ 2008-02-29 19:35 dsmich
  0 siblings, 0 replies; 2+ messages in thread
From: dsmich @ 2008-02-29 19:35 UTC (permalink / raw)
  To: walck; +Cc: guile-user

---- "Scott N. Walck" <walck@lvc.edu> wrote: 
> Guile folks,
> 
> Is there a way to ask for the definition of a procedure or to find the
> source code for a procedure?

Yes.

> For example, "symbol" is a guile procedure.  I can see that by typing
> its name.
> 
> guile> symbol
> #<procedure symbol args>
> 
> But how can I find more information, such as its definition, including
> what types of arguments it expects and what it does and returns?  I
> don't see symbol listed in the Guile Reference manual index.  I'm not
> sure where to look in the source code.

$ guile
guile> symbol
#<procedure symbol args>
guile> (procedure-source symbol)
(lambda args (string->symbol (apply string args)))
guile> 

This only works for Scheme, not for primitives written in C.

-Dale





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