Prev: Ruby editing style rules and recommendation?
Next: roll back to last command in irb
From: Michael W. Ryder on 9 Jan 2010 22:17
Justin Collins wrote:
> Justin Collins wrote:
>> Matt wrote:
>>> On Jan 9, 8:32 pm, Matt <mgregor...(a)gmail.com> wrote:
>>>
>>>> The standard library docs don't make sense to me a lot of the time.
>>>> How do I use the gcd2 method in class Integer (or is it in file
>>>> mathn.rb . . . no idea)?
>>>>
>>> Here's a link to what I'm looking at:
>>> http://www.ruby-doc.org/stdlib/libdoc/mathn/rdoc/classes/Integer.html#M000926
>>>
>>>
>>>
>> Both, sort of.
>>
>> ruby 1.8.7 (2008-08-11 patchlevel 72) [i686-linux]
>>
>> irb(main):001:0> require 'mathn'
>> => true
>> irb(main):002:0> 12.gcd(4)
>> => 4
>>
>> -Justin
>>
>
> Sorry, that should be gcd2.
>
> -Justin
>
For your information gcd works with 1.9.1 but gcd2 does not. Not sure
what the difference between gcd and gcd2 are and why gcd2 was dropped
from mathn in 1.9.1.
First  |  Prev  | 
Pages: 1 2
Prev: Ruby editing style rules and recommendation?
Next: roll back to last command in irb