From: Urabe Shyouhei <shyouhei@...>
Date: 2012-12-06T07:11:39+09:00
Subject: [ruby-core:50597] Re: [ruby-trunk - Feature #7517] Fixnum::MIN,MAX

On 12/05/2012 10:38 AM, Charles Oliver Nutter wrote:
> On Wed, Dec 5, 2012 at 12:24 PM, shyouhei (Shyouhei Urabe)
> <shyouhei@ruby-lang.org> wrote:
>> I'm not against these constant.  Just wanted to note that (for instance) max Fixnum can portally be obtained via:
>>
>> 1 << (1.size * 8 - 2) - 1
> 
> Not on JRuby. JRuby's Fixnum is always a full signed 64-bit integer.

Oh, good to know that.  So you always use boxed types and unboxing is left to the VM.