In fact it's Kernel.Integer(name) cf 
http://www.rubycentral.com/book/ref_m_kernel.html#Kernel.Integer
Integer is a "method" of the Kernel module.



s moon wrote:

> I found following exp from html_parser.rb
> 
> n = Integer(name)
> 
> here, name is string
> 
> 
> Is the Integer used as class method?
> it looks like converting from str to int.
> Where can I get this info?
> I checked "the ruby way' and "programming ruby'
> but i couldn't find any info about it.
> 
> thanks.
> 
> s moon