From: Tanaka Akira <akr@...>
Date: 2013-06-25T20:16:58+09:00
Subject: [ruby-core:55648] Re: [CommonRuby - Feature #8568][Open] Introduce RbConfig value for native word size, to avoid Fixnum#size use

2013/6/25 headius (Charles Nutter) <headius@headius.com>:
> Issue #8568 has been reported by headius (Charles Nutter).

> I propose two additions to Ruby:
>
> 1. RbConfig value "word_size" for native word size. This could reflect bit size (32, 64) or byte size (4, 8).
>
> 2. A constant, somewhere in Ruby, to provide access to this value more directly. I'm not sure where this should go. ObjectSpace::WORD_SIZE?

Although "word" is ambiguous, providing sizeof(long), sizeof(char*),
etc. via RbConfig
with clear names seems good feature:
RbConfig["sizeof(long)"], RbConfig["sieof(char*)"],
RbConfig["sizeof(time_t)"], ...
-- 
Tanaka Akira