[#28561] Ruby::DL vs Ruby::FFI — Aston <blackapache512-ticket@...>

Ruby.DL and FFI libraries are great for programmers like me who are not internet programmers, but are more interested in scientific and number processing etc.

11 messages 2010/03/08

[#28686] trunk (26947) build fail with msys/mingw/vista — Jon <jon.forums@...>

I get the following build failure when msysgit's "c:\git\cmd" dir is on PATH.

8 messages 2010/03/16

[#28687] [Bug #2973] rb_bug - Segmentation fault - error.c:213 — rudolf gavlas <redmine@...>

Bug #2973: rb_bug - Segmentation fault - error.c:213

10 messages 2010/03/16

[#28735] [Bug #2982] Ruby tries to link with both openssl and readline — Lucas Nussbaum <redmine@...>

Bug #2982: Ruby tries to link with both openssl and readline

16 messages 2010/03/18

[#28736] [Bug #2983] Ruby (GPLv2 only) tries to link to with readline (now GPLv3) — Lucas Nussbaum <redmine@...>

Bug #2983: Ruby (GPLv2 only) tries to link to with readline (now GPLv3)

10 messages 2010/03/18

[#28907] [Bug #3000] Open SSL Segfaults — Christian Höltje <redmine@...>

Bug #3000: Open SSL Segfaults

19 messages 2010/03/23

[#28924] [Bug #3005] Ruby core dump - [BUG] rb_sys_fail() - errno == 0 — Sebastian YEPES <redmine@...>

Bug #3005: Ruby core dump - [BUG] rb_sys_fail() - errno == 0

10 messages 2010/03/24

[#28954] [Feature #3010] slow require gems in ruby 1.9.1 — Miao Jiang <redmine@...>

Feature #3010: slow require gems in ruby 1.9.1

15 messages 2010/03/24

[#29179] [Bug #3071] Convert rubygems and rdoc to use psych — Aaron Patterson <redmine@...>

Bug #3071: Convert rubygems and rdoc to use psych

10 messages 2010/03/31

[ruby-core:28627] Re: [Bug #1893] Recursive Enumerable#join is surprising

From: Yusuke ENDOH <mame@...>
Date: 2010-03-12 10:13:36 UTC
List: ruby-core #28627
Hi,

2010/3/12 Yukihiro Matsumoto <matz@ruby-lang.org>:
> The whole purpose of to_ary, to_str etc, is to support implicit type
> conversion for Array/String-like objects into real Array/String for C
> defined functions which requires legit typing. By String/Array-like
> object, I mean Delegators, for example. So in a sense, it's for
> performance, by allowing C functions to bypass method invocation.


I got it!  I'm pleased with listening the rationale.  Thank you.

Then, how about:
  - Array#join will flatten only Array-like object via #to_ary
  - Enumerable#join will flatten any Enumerable object via #each
?

-- 
Yusuke ENDOH <mame@tsg.ne.jp>

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