From: Gennady Bystritsky <bystr@...>
Date: 2002-12-31T16:56:05+09:00
Subject: Re: Range#size


On Monday, Dec 30, 2002, at 23:26 US/Pacific, Gavin Sinclair wrote:

> On Tuesday, December 31, 2002, 6:07:06 PM, Gennady wrote:
>
>>> Range size is not easily calculatable; imagine when both ends are
>>> floats, or strings.
>
>> Does this mean that there's no Range#each in 1.7 either (I am still
>> using 1.6.7)? It seems to me that same considerations regarding floats
>> or strings apply to each as well as size.
>
> Range without #each would be a bit odd, I think. #each on a range of
> Strings is no big deal (you can use it to calculate #size if you like.
> For some reason, Range#each treats floats like integers:
>
> irb(main):004:0> (1.1..5.9).each do |i|
> irb(main):005:1*   puts i
> irb(main):006:1> end
> 1
> 2
> 3
> 4
> 5
> 1.1..5.9

So why not to have Range#size simply returning a number of iterations 
that Range#each would undergo, whatever algorithm is involved? However 
as I understand from the initial question and Matz's reply, Range#size 
is gone completely in 1.7.

>
>
> Gavin
>
>
>