[#47787] Ruby Parallelism — Miguel Palhas <mpalhas@...>
Greetings
4 messages
2012/10/01
[#47790] [ruby-trunk - Bug #7097][Open] Thread locals don't work inside Enumerator — "tenderlovemaking (Aaron Patterson)" <aaron@...>
32 messages
2012/10/01
[#47791] [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator
— "kosaki (Motohiro KOSAKI)" <kosaki.motohiro@...>
2012/10/01
[#47792] Re: [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator
— Aaron Patterson <tenderlove@...>
2012/10/01
On Tue, Oct 02, 2012 at 03:05:17AM +0900, kosaki (Motohiro KOSAKI) wrote:
[#47798] Re: [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator
— SASADA Koichi <ko1@...>
2012/10/01
(2012/10/02 3:12), Aaron Patterson wrote:
[#47800] Re: [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator
— SASADA Koichi <ko1@...>
2012/10/01
(2012/10/02 8:22), SASADA Koichi wrote:
[#47802] Re: [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator
— Aaron Patterson <tenderlove@...>
2012/10/02
On Tue, Oct 02, 2012 at 08:32:51AM +0900, SASADA Koichi wrote:
[#47807] Re: [ruby-trunk - Bug #7097][Assigned] Thread locals don't work inside Enumerator
— KOSAKI Motohiro <kosaki.motohiro@...>
2012/10/02
>> For example:
[#48291] [ruby-trunk - Bug #7097] Thread locals don't work inside Enumerator
— "tenderlovemaking (Aaron Patterson)" <aaron@...>
2012/10/25
[#48299] Re: [ruby-trunk - Bug #7097] Thread locals don't work inside Enumerator
— SASADA Koichi <ko1@...>
2012/10/26
I don't have any objection.
[#48300] Re: [ruby-trunk - Bug #7097] Thread locals don't work inside Enumerator
— Aaron Patterson <tenderlove@...>
2012/10/26
On Fri, Oct 26, 2012 at 02:40:53PM +0900, SASADA Koichi wrote:
[#47832] [ruby-trunk - Feature #7106][Open] FileUtils.touch should allow touching the symlink itself rather than the file the link points to — "cirrusthinking (Alessandro Diaferia)" <alessandro@...>
18 messages
2012/10/04
[#47841] [ruby-trunk - Bug #7109][Open] File.utime doesn't set nanoseconds — "bkabrda (Bohuslav Kabrda)" <bkabrda@...>
6 messages
2012/10/05
[#47842] Re: [ruby-trunk - Bug #7109][Open] File.utime doesn't set nanoseconds
— Tanaka Akira <akr@...>
2012/10/05
2012/10/5 bkabrda (Bohuslav Kabrda) <[email protected]>:
[#47847] [ruby-trunk - Bug #7110][Open] CGI: Add support for HTML5 <header> tag — "stomar (Marcus Stollsteimer)" <redmine@...>
16 messages
2012/10/05
[#47880] [ruby-trunk - Bug #7134][Open] Signal handling bug in Mac OS X — "auastro (Andy Kitchen)" <kitchen.andy+rubybug@...>
17 messages
2012/10/10
[#48918] [ruby-trunk - Bug #7134][Assigned] Signal handling bug in Mac OS X
— "mame (Yusuke Endoh)" <mame@...>
2012/11/05
[#47881] [ruby-trunk - Bug #7135][Open] GC bug in Ruby 1.9.3-p194? — "alexdowad (Alex Dowad)" <alexinbeijing@...>
21 messages
2012/10/10
[#47887] [ruby-trunk - Bug #7137][Open] Date.parse overly lenient when attempting to parse Monday? — "garysweaver (Gary Weaver)" <garysweaver@...>
12 messages
2012/10/10
[#47927] new ruby 1.9.3 maintainer — "U.Nakamura" <usa@...>
Hello everyone of the Ruby development community
6 messages
2012/10/12
[#47930] [ruby-trunk - Feature #7148][Open] Improved Tempfile w/o DelegateClass — "Glass_saga (Masaki Matsushita)" <glass.saga@...>
14 messages
2012/10/12
[#47963] [ruby-trunk - Bug #7154][Open] For whatever reason \s doesn't match \u00a0. — "t0d0r (Todor Dragnev)" <todor.dragnev@...>
5 messages
2012/10/13
[#47970] [ruby-trunk - Bug #7158][Open] require is slow in its bookkeeping; can make Rails startup 2.2x faster — "gregprice (Greg Price)" <price@...>
30 messages
2012/10/14
[#48504] [ruby-trunk - Bug #7158] require is slow in its bookkeeping; can make Rails startup 2.2x faster
— "h.shirosaki (Hiroshi Shirosaki)" <h.shirosaki@...>
2012/10/27
[#48505] Re: [ruby-trunk - Bug #7158] require is slow in its bookkeeping; can make Rails startup 2.2x faster
— SASADA Koichi <ko1@...>
2012/10/27
(2012/10/28 7:10), h.shirosaki (Hiroshi Shirosaki) wrote:
[#48728] [ruby-trunk - Bug #7158] require is slow in its bookkeeping; can make Rails startup 2.2x faster
— "tenderlovemaking (Aaron Patterson)" <aaron@...>
2012/11/02
[#48732] Re: [ruby-trunk - Bug #7158] require is slow in its bookkeeping; can make Rails startup 2.2x faster
— Masaya TARUI <tarui@...>
2012/11/02
Thank you for the careful work.
[#48032] [Backport93 - Backport #7174][Open] Advocating for backporting 36811 — "jonforums (Jon Forums)" <redmine@...>
8 messages
2012/10/16
[#48086] [Backport93 - Backport #7174][Assigned] Advocating for backporting 36811
— "usa (Usaku NAKAMURA)" <usa@...>
2012/10/19
[#48040] Should Hash#dup automatically rehash — Aaron Patterson <tenderlove@...>
Hi,
5 messages
2012/10/17
[#48072] [ruby-trunk - Bug #7184][Open] --disable-gems commandline parameter does not show up with ruby -h — "steenslag (siep korteling)" <s.korteling@...>
10 messages
2012/10/18
[#48132] [ruby-trunk - Bug #7201][Open] Setting default_external affects STDIN encoding but default_internal does not — "brixen (Brian Ford)" <brixen@...>
6 messages
2012/10/21
[#48154] Patch to test_ssl to validate server-side support for SNI — Patrick Toomey <ptoomey3@...>
I recently made a pull request to JRuby (
4 messages
2012/10/22
[#48675] Re: Patch to test_ssl to validate server-side support for SNI
— Charles Oliver Nutter <headius@...>
2012/10/31
We have incorporated Patrick's SNI patch for upcoming release JRuby
[#48191] [ANN] 2.0.0 feature freeze — Yusuke Endoh <mame@...>
Japanese later; 日本語は後で
37 messages
2012/10/24
[#48197] Re: [ANN] 2.0.0 feature freeze
— Rodrigo Rosenfeld Rosas <rr.rosas@...>
2012/10/24
Em 24-10-2012 09:39, Yusuke Endoh escreveu:
[#48696] Re: [ANN] 2.0.0 feature freeze
— SASADA Koichi <ko1@...>
2012/11/01
(2012/10/24 5:39), Yusuke Endoh wrote:
[#48701] Re: [ANN] 2.0.0 feature freeze
— Yusuke Endoh <mame@...>
2012/11/01
Hello ko1,
[#48712] Re: [ANN] 2.0.0 feature freeze
— Marc-Andre Lafortune <ruby-core-mailing-list@...>
2012/11/01
Hi,
[#48713] Re: [ANN] 2.0.0 feature freeze
— Yusuke Endoh <mame@...>
2012/11/01
AFAIK matz has not accepted #6636 completely yet.
[#48797] Re: [ANN] 2.0.0 feature freeze
— Clay Trump <clay.trump@...>
2012/11/03
Sorry, late to the party, but what's the status of #6679?
[#48798] Re: [ANN] 2.0.0 feature freeze
— =?KOI8-R?B?4NLJyiDzz8vPzM/X?= <funny.falcon@...>
2012/11/03
What status of #6638 <https://bugs.ruby-lang.org/issues/6638>
[#48260] [ruby-trunk - Bug #7214][Open] Ruby 2.0 breaks support for some debugging tools — "banister (john mair)" <jrmair@...>
22 messages
2012/10/25
[#49657] [ruby-trunk - Bug #7214] Ruby 2.0 breaks support for some debugging tools
— "denofevil (Dennis Ushakov)" <dennis.ushakov@...>
2012/11/20
[#48292] [ruby-trunk - Bug #7216][Open] object.c defines clone method for objects that cannot be cloned. — "therevmj (Michael Johnson)" <mj@...>
6 messages
2012/10/26
[#48315] [ruby-trunk - Bug #7220][Open] StringIO#initialize_copy causes aliasing between the objects — "brixen (Brian Ford)" <brixen@...>
13 messages
2012/10/26
[#48475] [ruby-trunk - Feature #3222] Can bignums have singleton class & methods? — "matz (Yukihiro Matsumoto)" <matz@...>
4 messages
2012/10/27
[#48497] Re: [ruby-trunk - Feature #3222] Can bignums have singleton class & methods?
— SASADA Koichi <ko1@...>
2012/10/27
(2012/10/27 23:25), matz (Yukihiro Matsumoto) wrote:
[#48551] [ruby-trunk - Feature #7241][Open] Enumerable#to_h proposal — "nathan.f77 (Nathan Broadbent)" <nathan.f77@...>
23 messages
2012/10/29
[#48587] [ruby-trunk - Feature #7241] Enumerable#to_h proposal
— "rosenfeld (Rodrigo Rosenfeld Rosas)" <rr.rosas@...>
2012/10/30
[#48625] Re: [ruby-trunk - Feature #7241] Enumerable#to_h proposal
— Aaron Patterson <tenderlove@...>
2012/10/30
On Tue, Oct 30, 2012 at 07:58:33PM +0900, rosenfeld (Rodrigo Rosenfeld Rosas) wrote:
[#48631] Re: [ruby-trunk - Feature #7241] Enumerable#to_h proposal
— Rodrigo Rosenfeld Rosas <rr.rosas@...>
2012/10/30
Em 30-10-2012 16:23, Aaron Patterson escreveu:
[#48679] [ruby-trunk - Feature #905] Add String.new(fixnum) to preallocate large buffer — "headius (Charles Nutter)" <headius@...>
4 messages
2012/10/31
[ruby-core:48491] [ruby-trunk - Feature #6758] Object#sequence
From:
"yhara (Yutaka HARA)" <redmine@...>
Date:
2012-10-27 15:20:03 UTC
List:
ruby-core #48491
Issue #6758 has been updated by yhara (Yutaka HARA).
Category set to core
Target version set to next minor
----------------------------------------
Feature #6758: Object#sequence
https://bugs.ruby-lang.org/issues/6758#change-31822
Author: merborne (kyo endo)
Status: Open
Priority: Normal
Assignee:
Category: core
Target version: next minor
=begin
== Object#sequence
Let me propose a new method ((*Object#sequence*)).
次のような実装の((*Object#sequence*))を提案します。
class Object
def sequence(init=true, &blk)
x = self
Enumerator.new do |y|
y << x if init
loop { y << (x = yield x) }
end
end
end
((*sequence*)) generate a sequence by applying a block recursively to the receiver object. The result is wrapped with a Enumerator object, thus it is set under lazy evaluation.
((*sequence*))は、そのレシーバオブジェクトを初期値として、渡されたブロック（漸化式）を繰り返し適用してシーケンスを生成します。適用の結果はEnumeratorオブジェクトでラップされているので、遅延評価されます。
== Usage;
使い方を示します。
1.sequence { |x| x + 2 }.take(10) # => [1, 3, 5, 7, 9, 11, 13, 15, 17, 19]
3.sequence { |x| x * 2 }.take(10) # => [3, 6, 12, 24, 48, 96, 192, 384, 768, 1536]
[0, 1].sequence { |a, b| [b, a + b] }.take(10).map(&:first) # => [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]
[0, 1, 1].sequence { |a, b, c| [b, c, a + b + c] }.take(10).map(&:first) # => [0, 1, 1, 2, 4, 7, 13, 24, 44, 81]
# square root 5
a = 5
eps = 0.0001
1.0.sequence { |x| (x + a/x) / 2.0 }
.each_cons(2)
.detect { |a, b| (a - b).abs < eps }[1] # => 2.236067977499978
# Excel label
'A'.sequence { |x| x.succ }.take(30) # => ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "AA", "AB", "AC", "AD"]
# random boolean(avoid true-true sequence)
true.sequence { |prev| prev ? false : [true, false].sample }.take(20) # => [true, false, true, false, true, false, true, false, true, false, true, false, true, false, true, false, false, false, true, false]
== Some background
== 提案の経緯
Let me explain some background of this request.
本件に関しては、ここに至る若干の経緯がありますので、併せて説明します。
1. I introduced this method as ((*Object#repeat*)) on my Japanese blog.
1. 私のブログにおいて、本メソッドを((*Object#repeat*))として紹介する記事を公開。
((<URL:http://melborne.github.com/2012/07/12/object-repeat-take-care-of-sequence/>))
2. Matz tweeted to the article.
> "um.. the feature is attractive, but the name is.."
2. 記事に対してMatzがつぶやく。
> 「うーん、昨日としては魅力的だけど、名前がなあ。」
((<URL:https://twitter.com/yukihiro_matz/status/223790181113806848>))
3. I updated the article to propose ((*Object#repeat_apply*)) or ((*Object#repeat_call*)).
3. Object#repeat_apply, Object#repeat_callを提案するべく記事を更新。
4. Matz tweeted to the article.
> @merborne more clear. but combining two verbs is wrong. I understand naming is difficult.
4. 記事に対してMatzがつぶやく。
> @merborne なるほど「repeat_apply」か「repeat_call」ですか。repeat単体よりは誤解を受けにくいとは思いますが、repeatって動詞とapply/callって動詞の組み合わせは感心しませんね。名前って難しい。
((<URL:https://twitter.com/yukihiro_matz/status/224105896110866432>))
5. Matz tweeted to the article.
> @merborne I suggest some clue lies around a word "series"..
5. 記事に対してMatzがつぶやく。
> @merborne 「級数/series」あたりに名前のヒントがありそうな。
((<URL:https://twitter.com/yukihiro_matz/status/224106160591081472>))
6. I tweeted to Matz.
6. 私もつぶやく
> @yukihiro_matz you are right.. `repeated_apply` `repeated_call`?..
> @yukihiro_matz たしかに.. repeated_apply repeated_callかな..
((<URL:https://twitter.com/merborne/status/224108387653259264>))
> @yukihiro_matz clue! `series_by` ?
> @yukihiro_matz ヒント! series_by ?
((<URL:https://twitter.com/merborne/status/224108809948377088>))
> @yukihiro_matz `repeated` is adjective..^^; but I don't like `repeatedly_apply`. I thought once `series_by` is good, but it would be better a method is named based on its behavior, not on its function, I think. How about `repeat_by`?
> @yukihiro_matz repeatedは形容詞でしたね^^; するとrepeatedly_applyですが、今ひとつです。series_byもいいと思ったんですが、できれば機能ではなく動作を言いたい思いがあります。そこでrepeat_byというのはどうでしょうか。
((<URL:https://twitter.com/merborne/status/224324670764220416>))
the conversation closed..
会話終了..
7. Ideas from other Rubyists
Some Japanese Rubyists tweeted or commented me on the name. Candidates are..
7. 他のRubyistの意見
名前に関し何人かのRubyistからアイディアをもらっています。リストアップします。
iterate
recur
recurrence
recur_with
unfold
sequence
seq
Haskell and Scala have the same functionality with a name of ((*iterate*)).
なお、HaskellとScalaには同種の機能が、((*iterate*))という名前で実装されているそうです。
Also, @makotokuwata-san tweeted that ((*Kernel#seq*))(function style) or ((*Enumerator.seq()*))(a Class method) is better.
また、@makotokuwata氏よりKernel#seqのような関数形式か、Enumerator.seq()のようなクラスメソッドのほうがいいとの意見も頂いています。
> @yukihiro_matz @merborne 初期値と漸化式から順列を作る機能なので、"sequence"か"seq"に1票。あとKernel#seq(initial,&blk)のほうが好きです。RT 「級数/series」あたりに名前のヒントがありそうな。
((<URL:https://twitter.com/makotokuwata/status/225806204390227968>))
Thank you for your consideration.
以上、ご検討のほどよろしくお願い致します。
=end
--
http://bugs.ruby-lang.org/