From: Floyd Wright <tfwright@...>
Date: 2006-08-30T01:27:03+09:00
Subject: Re: Testing a string's value is a positive integer

irb(main):005:0> 1.5.integer?
=> false

William Crawford wrote:
> Farrel Lifson wrote:
>> On 29/08/06, James Deuchar <jamesdeuchar@hotmail.com> wrote:
>>> I feel certain I must be missing a trick here...am about to go down the
>>> --
>>> Posted via http://www.ruby-forum.com/.
>>>
>>>
>> Check if num.to_f - num.to_i == 0, if that's true you're dealing with
>> a integer otherwise a float.
>>
>> Farrel
> 
> num.to_f == num.to_i
> 
> Would also give true/false on whether or not it's an integer or not.
>