ruby-dev

まつもと ゆきひろです

In message "Re: [ruby-dev:30109] Re: send/__send__ and private method"
    on Mon, 8 Jan 2007 17:17:08 +0900, Urabe Shyouhei <[email protected]> writes:

|Yukihiro Matsumoto wrote:
|> (5) send!, __send!の各メソッドは廃止。privateメソッドを呼ぶ
|>     ためのprivateメソッドfuncallが追加。使い方は
|>
|>       funcall name, args...
|>
|>     privateなのでobj.funcallという風には使えない。他のオブジェ
|>     クトのprivateメソッドが呼びたい時にはinstance_evalなどを
|>     使う。
|
|selfのprivateメソッドが呼びたければ普通にこれまでどおりの方法で呼べばい
|いんじゃないですか?わざわざfuncallを経由する理由は?
|この(5)がどのような用法を意図しているのかが見えません。具体例を示してい
|ただいた方がわかりやすいと思います。

なにか誤解があるのかな？ funcallはsend同様に動的にメソッド名
を決定したい時に使うメソッドです。メソッド名が固定のときは
「普通にこれまで通りの方法で呼べばよい」です。

  methods = {:exposure => :repaint,
             :mousemove => :move,
             :mouseover => :push}
  funcall methods[events], *args

のような感じだと思っていただければ。

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[#30065] IO#lineno always returns 0 — Minero Aoki <aamine@...>

[#30070] ARGF.read() causes ArgumentError — Minero Aoki <aamine@...>

[#30071] ruby-changes — SASADA Koichi <ko1@...>

[#30072] send/__send__ and private method — SASADA Koichi <ko1@...>

[#30073] typo in TkTextWin — "Hiroyuki Iwatsuki" <don@...>

[#30074] TkConfigMethod#__confinfo_cmd should be private — okkez <okkez000@...>

[#30080] Ruby/Tk クラス名のゆれ — Kazuhiro Yoshida <moriq@...>

[#30088] trunkの2回目のmake install — Kazuhiro NISHIYAMA <zn@...>

[#30089] test/ruby/test_process.rb — Kazuhiro NISHIYAMA <zn@...>

[#30096] version.h maintenance — SASADA Koichi <ko1@...>

[#30097] revision number variable — SASADA Koichi <ko1@...>

[#30099] Re: [ ruby-Bugs-5822 ] Ruby's 'etc' module cannot handle the UID of OS X 'nobody' properly — Urabe Shyouhei <shyouhei@...>

[#30104] send optimization — SASADA Koichi <ko1@...>

[#30116] Array#dupがおかしい? — "madoka yamamoto" <yamamotomadoka@...>

[#30118] throw,catch後にraiseでプログラム終了 — "madoka yamamoto" <yamamotomadoka@...>

[#30121] file name and line number of parser error/warning — nobu@...

[#30126] net/pop error in Ruby 1.9 — Masaki Suketa <masaki.suketa@...>

[#30128] env.h in trunk — "U.Nakamura" <usa@...>

[#30130] ruby_1_8_5 へのコミット — Masaki Suketa <masaki.suketa@...>

[#30131] RubyLex fails to read "#{Time.now.strftime("%m/%d")}" — Masao Mutoh <mutoh@...>

[#30139] BASERUBY — "U.Nakamura" <usa@...>

[#30142] Time.parse("yyyy/mm") — Kazuhiro NISHIYAMA <zn@...>

[#30144] NKFでのUTF8→JIS変換の不具合 — Kazuhiko <kazuhiko@...>

[#30159] := operator — SASADA Koichi <ko1@...>

[#30163] pre-processor での YARV 判定 — Hidetoshi NAGAI <nagai@...>

[#30176] typo? in CGI#read_multipart — Tadashi Saito <[email protected]>

[#30177] Asoby: Aspect-Oriented Programming in Ruby — "Yoshinori Sano" <yoshinori.sano@...>

[#30178] Re: [ruby-cvs:18815] Ruby:r11571: * misc/ruby-mode.el (ruby-font-lock-syntactic-keywords): fix — Urabe Shyouhei <shyouhei@...>

[#30181] Open3.popen3 の終了処理 — とみたまさひろ <tommy@...>

[#30182] cgi.rb のファイル名取得処理 — とみたまさひろ <tommy@...>

[#30192] "".lines.dup.to_a causes NameError — Minero Aoki <aamine@...>

[#30198] coredump on NetBSD — "U.Nakamura" <usa@...>

[#30199] YARV の thread について — Hidetoshi NAGAI <nagai@...>

[#30200] coredump on Mac OS X — "T.Kanai" <tin.k.gm@...>

[#30206] local var name collision in instruby.rb (matzruby) — "U.Nakamura" <usa@...>

[#30211] String#sub!{...} — Kazuhiro NISHIYAMA <zn@...>

[#30214] move ruby_1_8_5 to SVN — Shugo Maeda <shugo@...>

[#30220] schedule for Ruby 1.8.6 — "Akinori MUSHA" <knu@...>

[#30230] Re: [ruby-cvs:18852] Ruby:r11604: * lib/open-uri.rb (OpenURI::OpenURI.open_uri): use user and — Tanaka Akira <akr@...>

[ruby-dev:30111] Re: send/__send__ and private method

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[#30072] send/send and private method — SASADA Koichi <ko1@...>

[ruby-dev:30111] Re: send/send and private method