ruby-list

まつもと ゆきひろ＠トヨタケーラムです．

In message "[ruby-list:211] Re: TUTORIAL - variables"
    on 96/02/27, 石塚圭樹 <keiju@csg.mes.co.jp> writes:
|けいじゅ＠事開事.三井造船です. 

|クラス変数に相当するものはないのですか?
|
|[ruby-list: 00208]で大域変数を使い過ぎるのは良くないとありますが, クラ
|ス変数があれば, だいぶ状況が変わると思いますが?

クラス変数はないんです．宣言無しというrubyの性質とクラス変数
はなかなかきれいに同居できませんでした．その代わりといっては
なんですが，大文字で始まるクラス定数があります．

クラス定数は再代入できないクラス変数と思っても構いません．こ
こに配列のようなコンテナクラスを代入すればクラス変数としても
使えないことは無いですね．

# Eiffelにもクラス変数が無いんだよな．あれには大域変数もない
# けど．
                                まつもと ゆきひろ /:|)

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[#108] Re: None — matz@... (Yukihiro Matsumoto)

[#109] Re: ruby 0.96a core dump — matz@... (Yukihiro Matsumoto)

[#110] pure ruby — nakawtse@... (P nakawtse)

[#111] Re: pure ruby — matz@... (Yukihiro Matsumoto)

[#112] Re: pure ruby — ozawa@...

[#113] Re: pure ruby — matz@... (Yukihiro Matsumoto)

[#114] iterator benchmark — matz@... (Yukihiro Matsumoto)

[#115] Re: iterator benchmark — matz@... (Yukihiro Matsumoto)

[#116] while vs WHILE — nakawtse@... (P nakawtse)

[#117] Re: while vs WHILE — matz@... (Yukihiro Matsumoto)

[#118] i++ — nakawtse@... (P nakawtse)

[#119] Re: i++ — matz@... (Yukihiro Matsumoto)

[#120] Re: i++ — matz@... (Yukihiro Matsumoto)

[#121] iterator by C? — nakawtse@... (P nakawtse)

[#122] Re: iterator by C? — matz@... (Yukihiro Matsumoto)

[#123] TUTORIAL - intro — matz@... (Yukihiro Matsumoto)

[#124] TUTORIAL - ruby's features — matz@... (Yukihiro Matsumoto)

[#125] i++ ???? — nakawtse@... (P nakawtse)

[#126] Re: i++ ???? — matz@... (Yukihiro Matsumoto)

[#127] TUTORIAL - simple scripts — matz@... (Yukihiro Matsumoto)

[#128] TUTOROAL - strings — matz@... (Yukihiro Matsumoto)

[#129] Re: TUTOROAL - strings — matz@... (Yukihiro Matsumoto)

[#130] TUTORIAL - regular expression — matz@... (Yukihiro Matsumoto)

[#131] ruby — OZAWA Sakuro <ozawa@...>

[#132] Re: ruby — matz@... (Yukihiro Matsumoto)

[#133] Yet another ruby ?? — nakawtse@... (P nakawtse)

[#134] Re: Yet another ruby ?? — matz@... (Yukihiro Matsumoto)

[#135] TUTOARIAL - array and associative-array — matz@... (Yukihiro Matsumoto)

[#136] Re: TUTOARIAL - array and associative-array —

[#137] Re: TUTOARIAL - array and associative-array — matz@... (Yukihiro Matsumoto)

[#138] TUTORIAL - simple scripts again — matz@... (Yukihiro Matsumoto)

[#139] ruby 0.97 available — matz@... (Yukihiro Matsumoto)

[#140] Altair — Yasuo OHBA <jammy@...>

[#141] Re: Altair — matz@... (Yukihiro Matsumoto)

[#142] homepage — Yasunari Momoi <conan@...>

[#143] The black face. — nakawtse@... (P nakawtse)

[#144] Re: homepage — matz@... (Yukihiro Matsumoto)

[#145] Re: The black face. — matz@... (Yukihiro Matsumoto)

[#146] TUTORIAL - control structure — matz@... (Yukihiro Matsumoto)

[#147] Re: cannot mget files — matz@... (Yukihiro Matsumoto)

[#148] rml — nakawtse@... (P nakawtse)

[#149] Re: rml — matz@... (Yukihiro Matsumoto)

[#150] Re: rml — matz@... (Yukihiro Matsumoto)

[#151] [..]or[...] — nakawtse@... (P nakawtse)

[#152] Re: [..]or[...] — matz@... (Yukihiro Matsumoto)

[#153] Ruby's home page — matz@... (Yukihiro Matsumoto)

[#154] TUTORIAL - iteraters — matz@... (Yukihiro Matsumoto)

[#155] [Q] ruby-mode.el — j_kuro@... (Jun Kuroda)

[#156] Re: [Q] ruby-mode.el — matz@... (Yukihiro Matsumoto)

[#157] Re: [Q] ruby-mode.el — matz@... (Yukihiro Matsumoto)

[#158] Re: [Q] ruby-mode.el — j_kuro@... (Jun Kuroda)

[#159] Re: [Q] ruby-mode.el — matz@... (Yukihiro Matsumoto)

[#160] Re: [Q] ruby-mode.el — j_kuro@... (Jun Kuroda)

[#161] TUTORIAL - object-orientation — matz@... (Yukihiro Matsumoto)

[#162] dir.rb が動きません . — Yasuo OHBA <jammy@...>

[#163] Re: dir.rb が動きま せん . — matz@... (Yukihiro Matsumoto)

[#164] TUTORIAL - methods — matz@... (Yukihiro Matsumoto)

[#165] UNIX MAGAZINE — Yasuo OHBA <jammy@...>

[#166] UNIX MAGAZINE — Yasuo OHBA <jammy@...>

[#167] cmail — nakawtse@... (P nakawtse)

[#168] Re: cmail — matz@... (Yukihiro Matsumoto)

[#169] Hello — Kazuhiko Iwama <iwama@...>

[#170] Re: Hello — matz@... (Yukihiro Matsumoto)

[#171] Re: Hello — Kazuhiko Iwama <iwama@...>

[#172] freebsd patch for dynamic link — Mitsuhide Satou <mit-sato@...>

[#173] var — nakawtse@... (P nakawtse)

[#174] DOS port — matz@... (Yukihiro Matsumoto)

[#175] Re: freebsd patch for dynamic link — matz@... (Yukihiro Matsumoto)

[#176] Re: var — matz@... (Yukihiro Matsumoto)

[#177] TUTOIAL - class — matz@... (Yukihiro Matsumoto)

[#178] Re: DOS port — matz@... (Yukihiro Matsumoto)

[#179] Re: DOS port —

[#180] Re: DOS port — Kazuhiko Iwama <iwama@...>

[#181] Re: DOS port — matz@... (Yukihiro Matsumoto)

[#182] Re: DOS port — Kazuhiko Iwama <iwama@...>

[#183] Re: DOS port — matz@... (Yukihiro Matsumoto)

[#184] Re: DOS port — Kazuhiko Iwama <iwama@...>

[#185] Re: DOS port — Kazuhiko Iwama <iwama@...>

[#186] Hello. — Takashi Nagano <nagano@...>

[#187] Re: Hello. — matz@... (Yukihiro Matsumoto)

[#163] Re: dir.rb が動きません . — matz@... (Yukihiro Matsumoto)

[#229] Re: ネイティブクラスを作る — matz@... (Yukihiro Matsumoto)

[#230] Re: ネイティブクラスを作る — gougi@...3test3.nagoya.caelum.co.jp (Shigeru Gougi)

[#231] Re: ネイティブクラスを作る — matz@... (Yukihiro Matsumoto)

[#232] Re: ネイティブクラスを作る — gougi@...3test3.nagoya.caelum.co.jp (Shigeru Gougi)

[#233] Re: ネイティブクラスを作る — matz@... (Yukihiro Matsumoto)

[#234] Re: ネイティブクラスを作る — gougi@...3test3.nagoya.caelum.co.jp (Shigeru Gougi)