From: Logan Capaldo <logancapaldo@...>
Date: 2005-12-08T15:39:27+09:00
Subject: Re: About class methods


On Dec 8, 2005, at 1:30 AM, Hank Gong wrote:

> Hi! When I read the Ruby manual, I noticed that for class Array,  
> there are
> class methods and instance methods.
>
> Class methods:
> [] and new
>
> instance methods:
> too many (not list here)
>
> My question is: what's this class methods? I remember in C++, all  
> methods
> should be instance level, right?
> Thanks!
>
> Yours, Hank

class methods are (more or less) the same thing as static methods in C 
++.

eg.

class A
{
    public:
     static int aClassMethod { return 42; }
     int anInstanceMethod { return 7; }
};

A::aClassMethod( ); //=> returns 42
A x;
x.anInstanceMethod( ); //=> returns 7