[#45703] test_advise failure on GNU/Linux — Tanaka Akira <tanaka.akira@...>

今朝、気がついたのですが、手元で test_advise が失敗します。

11 messages 2012/06/05
[#45705] Re: test_advise failure on GNU/Linux — KOSAKI Motohiro <kosaki.motohiro@...> 2012/06/06

小崎です

[#45735] [ruby-trunk - Feature #6587][Open] proposal: adding new methods File.rootname and Pathname#rootname — "usa (Usaku NAKAMURA)" <usa@...>

14 messages 2012/06/14

[#45745] Re: [ruby-changes:24028] yugui:r36079 (trunk): Embedding CRuby interpreter without internal headers has been difficult — SASADA Koichi <ko1@...>

見逃していました.

19 messages 2012/06/14
[#45747] Re: [ruby-changes:24028] yugui:r36079 (trunk): Embedding CRuby interpreter without internal headers has been difficult — Yugui <yugui@...> 2012/06/15

2012/6/15 SASADA Koichi <[email protected]>:

[#45748] Re: [ruby-changes:24028] yugui:r36079 (trunk): Embedding CRuby interpreter without internal headers has been difficult — SASADA Koichi <ko1@...> 2012/06/15

 ささだです.

[#45794] :new_pgroup and :pgroup option for spawn. — Tanaka Akira <akr@...>

process.c で気がついたのですが、spawn に Windows 用の :new_pgroup というオプションが

12 messages 2012/06/23
[#45800] Re: :new_pgroup and :pgroup option for spawn. — "U.Nakamura" <usa@...> 2012/06/25

こんにちは、なかむら(う)です。

[#45818] [ruby-trunk - Feature #6643][Open] io.seek(off, :end) — "akr (Akira Tanaka)" <akr@...>

30 messages 2012/06/25

[ruby-dev:45701] [ruby-trunk - Feature #4146] Improvement of Symbol and Proc

From: "prijutme4ty (Ilya Vorontsov)" <prijutme4ty@...>
Date: 2012-06-03 12:43:59 UTC
List: ruby-dev #45701
Issue #4146 has been updated by prijutme4ty (Ilya Vorontsov).


I also propose to consider recursive application for a method in a style I've written in http://bugs.ruby-lang.org/issues/6483#note-3:

Usual application:
(1..5).map(&:to_s.(2)) # => ['1', '10', '11', '100', '101']
Recursive application:
[[1,2,3],[4,5,6]].map(&:map.(&:to_s)) # => [['1','2','3'],['4','5','6']]
[[1,2,3],[4,5,6]].map(&:map.(&:to_s.(2))) # => [['1','10','11'],['100','101','110']]

All of this can be done with a bit of ruby code:

class Proc
  def curry_except_self(*args, &block)
    Proc.new{|slf| curry.call(slf, *args, &block) }
  end
end

class Symbol
  def call(*args, &block)
    obj=Object.new.instance_exec(self,args,block) do |sym,params,block| 
      @sym=sym
      @args = params
      @block = block
      self
    end
    obj.define_singleton_method :to_proc do
      @sym.to_proc.curry_except_self(*@args, &@block)
    end
    obj
  end
end
----------------------------------------
Feature #4146: Improvement of Symbol and Proc
https://bugs.ruby-lang.org/issues/4146#change-26991

Author: nobu (Nobuyoshi Nakada)
Status: Assigned
Priority: Normal
Assignee: ko1 (Koichi Sasada)
Category: core
Target version: 


=begin
 現在Symbol#to_procで %w[12 45 32].map(&:to_i) のようなことはできますが、
 引数を付けてメソッドを呼ぶことはできません。Symbolリテラルに引数を付け
 たらその引数と共にメソッドを呼ぶProcを作る構文というのはどうでしょうか。
 
   %w[12 45 32].map(&:to_i(9)).map(&:*(2)) #=> [22, 82, 58]
   %w[abc def ghi].map(&:[1])              #=> ["b", "e", "h"]
=end



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