From: Gavin Sinclair <gsinclair@...>
Date: 2003-02-09T22:30:46+09:00
Subject: Re: Where is Math.PI ??

On Monday, February 10, 2003, 12:23:08 AM, Jason wrote:

> Mark Slagell wrote:
>> For what it's worth, I think you can use '::' in place of '.' whenever 
>> you want, but not vice versa.
>> 
>> Anyway you need '::' when referring to constants, although orthodox 
>> style is to use '.' for method calls.

> I've read somewhere that matz recommends using :: for class methods and 
> . for instance methods.  Maybe in Ruby in a Nutshell?

I prefer . for class methods because it's the same mechanism.  You are
calling a method on a receiver.  It's just that the receiver is a
class (since classes are objects, and they have "self", there is no
difference).

Gavin