From romain.francois at dbmail.com  Sun Apr 19 12:14:54 2009
From: romain.francois at dbmail.com (Romain Francois)
Date: Sun, 19 Apr 2009 12:14:54 +0200
Subject: [Rd] print.closure at the R level
In-Reply-To: <49EA39F1.2010709@dbmail.com>
References: <49E9DFE5.7060501@dbmail.com> <49E9E25D.9070106@stats.uwo.ca>
	<49EA39F1.2010709@dbmail.com>
Message-ID: <49EAF99E.9070703@dbmail.com>

Yesterday's patch did not print the attributes. This one seems fine:

 > f <- function(){}
 > attr( f, "yada" ) <- function( ) "lobster bisk"
 > f
function(){}
attr(,"yada")
function( ) "lobster bisk"

Romain

Romain Francois wrote:
> Duncan Murdoch wrote:
>> On 18/04/2009 10:12 AM, Romain Francois wrote:
>>> Hello,
>>>
>>> Could the code that auto prints a function/closure be extracted from 
>>> print.c so that there would be a print.closure function.
>>> I would like to be able to mask a print.closure function so that I 
>>> have a custom auto-print. One reason for that is I plan to have 
>>> syntax highlighting within the R console.
>>
>> The class of a closure is "function", so you'd want the method to be 
>> print.function.  Currently that doesn't work for auto printing, so 
>> your suggestion is still interesting.  (I'm not sure why auto 
>> printing is special here...)
>>
>> Duncan Murdoch
> The attached patch implements exposing the print.function at the R level.
>
> Romain
>
> ------------------------------------------------------------------------
>
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-- 
Romain Francois
Independent R Consultant
+33(0) 6 28 91 30 30
http://romainfrancois.blog.free.fr


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[Rd] print.closure at the R level
Romain Francois