From: "Brian Schröder" <ruby@...>
Date: 2004-09-30T22:35:51+09:00
Subject: Re: Range syntax theory

Zach Dennis wrote:
> I have been thinking lately about rangess and I will give you the two 
> different range operators and what comes to mind first.
> 
> Operator One:    ..   (two dots)
> Example:    1..5
> What comes to mind: Exclusive
> How It Works:   Inclusive (the last number 5, is included)
> 
> Operator Two:    ...   (three dots)
> Example:      1...5
> What comes to mind: Inclusive
> How It Works: Exclusive (the last number 5, is excluded)
> 
> How range operators work seems sort of backwards to me. It would appear 
> as if the "..." (three dots) would be the inclusive one, including the 
> last value and the ".." (two dots) would be exclusive and exclude the 
> last value.
> 
> Am I off in my own little world here or have others pondered this? 
> (Perhaps it has been brought up before?) I am not requesting a change on 
> this, I am merely pointing out what seems unnatural in a very natural 
> language.
> 
> Zach
> 
Hello Zach,

very good point you make. I imagine that the inclusive version is used 
more often, so someone thought, lets save a point here.

But I have to admit I just learned it and never questioned it. Thats a 
bad thing ;)

Regards,

Brian

-- 
Brian Schr�der
http://ruby.brian-schroeder.de/