Can someone explain me parts of this function ?
in [Lisp]
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From: Rivka Miller on 30 Jun 2010 19:02 Can someone explain me the essential parts of this function, specifically, with some examples of SNAME ? How should the SNAME look like ? DEFUN ("or", For, Sor, 0, UNEVALLED, 0, doc: /* Eval args until one of them yields non-nil, then return that value. The remaining args are not evalled at all. If all args return nil, return nil. usage: (or CONDITIONS ...) */) (args) Lisp_Object args; { register Lisp_Object val = Qnil; struct gcpro gcpro1; GCPRO1 (args); while (CONSP (args)) { val = Feval (XCAR (args)); if (!NILP (val)) break; args = XCDR (args); } UNGCPRO; return val; } More info here http://xahlee.org/elisp/Writing-Emacs-Primitives.html#Writing-Emacs-Primitives Thanks Rivka
From: Francesco S. Carta on 30 Jun 2010 19:33 Rivka Miller <rivkaumiller(a)gmail.com>, on 30/06/2010 16:02:29, wrote: > Can someone explain me the essential parts of this function, > specifically, with some examples of SNAME ? How should the SNAME look > like ? > > DEFUN ("or", For, Sor, 0, UNEVALLED, 0, > doc: /* Eval args until one of them yields non-nil, then return > that > value. The remaining args are not evalled at all. > If all args return nil, return nil. > usage: (or CONDITIONS ...) */) > (args) > Lisp_Object args; > { > register Lisp_Object val = Qnil; > struct gcpro gcpro1; > > GCPRO1 (args); > > while (CONSP (args)) > { > val = Feval (XCAR (args)); > if (!NILP (val)) > break; > args = XCDR (args); > } > > UNGCPRO; > return val; > } > > > More info here > http://xahlee.org/elisp/Writing-Emacs-Primitives.html#Writing-Emacs-Primitives Try with comp.emacs and gnu.emacs.help, maybe the best places (currently) to get help for this issue. Please avoid crossposting to groups which are not topical to your question, good luck :-) -- FSC - http://userscripts.org/scripts/show/59948 http://fscode.altervista.org - http://sardinias.com
From: Rivka Miller on 30 Jun 2010 20:51 On Jun 30, 4:33 pm, "Francesco S. Carta" <entul...(a)gmail.com> wrote: > Rivka Miller <rivkaumil...(a)gmail.com>, on 30/06/2010 16:02:29, wrote: > > [see below] > > > Can someone explain me the essential parts of this function, > > specifically, with some examples of SNAME ? How should the SNAME look > > like ? > > > DEFUN ("or", For, Sor, 0, UNEVALLED, 0, > > doc: /* Eval args until one of them yields non-nil, then return > > that > > value. The remaining args are not evalled at all. > > If all args return nil, return nil. > > usage: (or CONDITIONS ...) */) > > (args) > > Lisp_Object args; > > { > > register Lisp_Object val = Qnil; > > struct gcpro gcpro1; > > > GCPRO1 (args); > > > while (CONSP (args)) > > { > > val = Feval (XCAR (args)); > > if (!NILP (val)) > > break; > > args = XCDR (args); > > } > > > UNGCPRO; > > return val; > > } > > > More info here > >http://xahlee.org/elisp/Writing-Emacs-Primitives.html#Writing-Emacs-P... > > Try with comp.emacs and gnu.emacs.help, maybe the best places > (currently) to get help for this issue. > > Please avoid crossposting to groups which are not topical to your > question, good luck :-) > > -- > FSC -http://userscripts.org/scripts/show/59948 > http://fscode.altervista.org-http://sardinias.com Can someone explain me the essential parts of this function, specifically, with some examples of SNAME ? How should the SNAME look like ? DEFUN ("or", For, Sor, 0, UNEVALLED, 0, doc: /* Eval args until one of them yields non-nil, then return that value. The remaining args are not evalled at all. If all args return nil, return nil. usage: (or CONDITIONS ...) */) (args) Lisp_Object args; { register Lisp_Object val = Qnil; struct gcpro gcpro1; GCPRO1 (args); while (CONSP (args)) { val = Feval (XCAR (args)); if (!NILP (val)) break; args = XCDR (args); } UNGCPRO; return val; } More info here http://xahlee.org/elisp/Writing-Emacs-Primitives.html#Writing-Emacs-P... Thanks Rivka
From: Ian Collins on 30 Jun 2010 20:54 On 07/ 1/10 12:51 PM, Rivka Miller wrote: >> FSC -http://userscripts.org/scripts/show/59948 >> http://fscode.altervista.org-http://sardinias.com > > Can someone explain me the essential parts of this function, > specifically, with some examples of SNAME ? How should the SNAME look > like ? Please stop cross-posting the same off topic question! -- Ian Collins
From: Vincenzo Mercuri on 30 Jun 2010 20:57
Rivka Miller wrote: >>> Can someone explain me the essential parts of this function, >>> specifically, with some examples of SNAME ? SNO. How should the SNAME look >>> like ? Like Teddy Bear. -- Vincenzo Mercuri |