[Feature #841] Object#self

Ruby Development
1

Feature #841: Object#self
http://redmine.ruby-lang.org/issues/show/841

e$B5/I<<Te(B: rubikitch .
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class Object
def self; self end
end

1.self # => 1
“a”.self # => “a”

2

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In message “Re: [ruby-dev:37337] [Feature #841] Object#self”
on Wed, 10 Dec 2008 08:36:44 +0900, “rubikitch .”
[email protected] writes:

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In message “[ruby-dev:37342] Re: [Feature #841] Object#self”
on Dec.10,2008 15:18:29, [email protected] wrote:

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4

From: Yukihiro M. [email protected]
Subject: [ruby-dev:37342] Re: [Feature #841] Object#self
Date: Wed, 10 Dec 2008 15:18:29 +0900

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class Object
def self() self; end
end

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class Test
alias foo self
end
Test.new.foo # => #Test:0x91aa1b8

e$B%V%m%C%/e(B {|x| x } e$B$re(B &:self e$B$H5-=R$9$ke(B

require ‘scanf’
“abcd”.scanf(‘%c%c’) # => [“a”, “b”]
“abcd”.scanf(‘%c%c’){|a| a} # => [[“a”, “b”], [“c”, “d”]]
“abcd”.scanf(‘%c%c’, &:self) # => [[“a”, “b”], [“c”, “d”]]

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In message “Re: [ruby-dev:37346] Re: [Feature #841] Object#self”
on Wed, 10 Dec 2008 21:03:01 +0900, “U.Nakamura”
[email protected] writes:

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In message “Re: [ruby-dev:37347] Re: [Feature #841] Object#self”
on Wed, 10 Dec 2008 21:06:23 +0900, [email protected] writes:

|> e$B$I$&$$$&Iw$K;H$&$s$G$9$+!)e(B

|# e$B<+J,<+?H$rJV$9%a%=%C%I$re(Baliase$B$G:n@.$9$ke(B
|class Test
| alias foo self
|end
|Test.new.foo # => #Test:0x91aa1b8
|
|# e$B%V%m%C%/e(B {|x| x } e$B$re(B &:self e$B$H5-=R$9$ke(B
|require ‘scanf’
|“abcd”.scanf(’%c%c’) # => [“a”, “b”]
|“abcd”.scanf(’%c%c’){|a| a} # => [[“a”, “b”], [“c”, “d”]]
|“abcd”.scanf(’%c%c’, &:self) # => [[“a”, “b”], [“c”, “d”]]

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class Object
def identity() self end
end

class Time
def to_s2(t=:identity) dup.send(t).to_s end
end

a = Time.now

p a.to_s2(:localtime)
p a.to_s2(:utc)
p a.to_s2

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e$B%A%1%C%He(B #841 e$B$,99?7$5$l$^$7$?!#e(B (by Yukihiro M.)

e$B%9%F!<%?%9e(B Opene$B$+$ie(BRejectede$B$KJQ99e(B

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http://redmine.ruby-lang.org/issues/show/841

9

e$B%A%1%C%He(B #841 e$B$,99?7$5$l$^$7$?!#e(B (by Nobuhiro IMAI)

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array.send(hoge ? :sort : :tap).each{…}

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array = array.sort if hoge
array.each{…}

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http://redmine.ruby-lang.org/issues/show/841

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In message “Re: [ruby-dev:37354] Re: [Feature #841] Object#self”
on Thu, 11 Dec 2008 00:43:42 +0900, Tadayoshi F.
[email protected] writes:

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In message “Re: [ruby-dev:37361] [Feature #841] Object#self”
on Thu, 11 Dec 2008 07:58:23 +0900, Nobuhiro IMAI
[email protected] writes:

|e$B$9$G$K$"$k$b$N$rMxMQ$C$F$3$H$G!"e(BObject#tap e$B$,%V%m%C%/$J$7$G$b8F$Y$k!"e(B
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e$B%A%1%C%He(B #841 e$B$,99?7$5$l$^$7$?!#e(B (by Nobuhiro IMAI)

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http://redmine.ruby-lang.org/issues/show/841

13

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In message “[ruby-dev:37351] Re: [Feature #841] Object#self”
on Dec.11,2008 00:04:33, [email protected] wrote:

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