From: seebs@... (Peter Seebach)
Date: 2007-04-30T13:08:26+09:00
Subject: Re: Why is 0x7FFFFFFF Bignum and not Fixnum ?

In message <d1522f1fde212135fae0bea4fd1142d1@ruby-forum.com>, Mr Magpie writes:
>>> 0x3FFFFFFF.class
>=> Fixnum
>>> 0x3FFFFFFF.size
>=> 4
>As expected, this comfortably fits into 32 bits, but so should this :
>
>>> 0x7FFFFFFF.class
>=> Bignum
>>> 0x7FFFFFFF.size
>=> 4

>1) Why has it gone to Bignum ? it shouldn't do this until 0x80000000.

Because 0x40000000 is either the sign bit or the magic flag.  I don't know
how Ruby does that part, but that's what I'd expect.  There's no
"unsigned" types here.

-s