From: Michael Gaunnac <mlgaunnac@...>
Date: 2004-10-01T22:02:23+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

I don't know about potential parsing problems (or ugliness), but what about:


0..5  inclusive
0..<5 exclusive

Mike