From: Chris Bailey <christopher.sean.bailey@...>
Date: 2008-08-29T06:12:29+09:00
Subject: Re: Use a string as a method call

Thomas B. wrote:
> Chris Bailey wrote:
>>     send $cmd_list[input]
> 
>> cmd_list = {
>>             'north'   =>    'do_north'
>>             'south'   =>    'do_south'
>>             'n'       =>    'do_north'
>>             's'       =>    'do_south'
>>             'look'    =>    'do_look'
>>            }
> The variable names don't agree but I suppose it's a typo in the post?
> 
> Well, what are you trying to do? If you want to increment or decrement 
> $PLROBJ.xcoord, you must say $PLROBJ.xcoord+=1 or $PLROBJ.xcoord-=1. 
> What happens now, the variable $PLROBJ.xcoord is incremented or 
> decremented by the result of showMap, like in $PLROBJ.xcoord-=showMap(), 
> and showMap probably returns nil.
> 
> TPR

Arg! The variable mismatch was a typo, and the error is because I was 
using += instead of +=1. Dumb mistake on my part. Yesterday I was trying 
to use ++
Thanks

-- 
Posted via http://www.ruby-forum.com/.