From: Joseph Jones <joeyi5216@...>
Date: 2015-12-17T21:13:20-07:00
Subject: [ruby-core:72341] [Ruby trunk - Feature #9451] Refinements and unary & (to_proc)

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Joseph Jones liked your message with Boxer. On December 5, 2015 at 20:13:=
48 MST, justcolin=40gmail.com wrote:Issue =239451 has been updated by Col=
in =46ulton.Is there any update on this feature=3F In Ruby 2.2.3 I still =
run into a problem where the unary & can not be used when the method was =
added with a refinement, such as the following:=60module Example refine S=
tring do def pugs =22Pugs=21=22 end endendusing Exampleputs ('a'..'z').ma=
p(&:pugs)=60I can understand why they currently do not work, but it leads=
 to uglier code.----------------------------------------=46eature =239451=
: Refinements and unary & (to=5Fproc)https://bugs.ruby-lang.org/issues/94=
51=23change-55254* Author: Jan Lelis* Status: Assigned* Priority: Normal*=
 Assignee: Yukihiro Matsumoto----------------------------------------Not =
sure if this is a bug or feature request:=7E=7E=7Erubyrequire 'minitest/a=
utorun'require 'set'module ClassToProc refine Class do def to=5Fproc lamb=
da=7B =7C*args=7C self.new(*args) =7D end endendusing ClassToProcdescribe=
 'Class=23to=5Fproc' do it 'works when called directly' do Set.to=5Fproc=5B=
=5B1,2=5D=5D.must=5Fequal Set=5B1,2=5D end it 'fails when called via ampe=
rsand' do =5B=5B1,2=5D=5D.map(&Set).must=5Fequal =5BSet=5B1,2=5D=5D enden=
d=7E=7E=7EThe second example errors with *NoMethodError: super: no superc=
lass method =60to=5Fproc' for Set:Class*Would be great to have it, though=
.-- https://bugs.ruby-lang.org/     
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<html><body><div>Joseph Jones liked your message with <a href=3D=22http:/=
/bxr.io/PBIqo=22>Boxer</a>.</div><br/><br/><div><div class=3D=22quote=22>=
On December 5, 2015 at 20:13:48 MST, justcolin=40gmail.com wrote:<br/><bl=
ockquote type=3D=22cite=22 style=3D=22border-left-style:solid;border-widt=
h:1px;margin-left:0px;padding-left:10px;=22>Issue =239451 has been update=
d by Colin =46ulton.<br /><br /><br />Is there any update on this feature=
=3F In Ruby 2.2.3 I still run into a problem where the unary & can not be=
 used when the method was added with a refinement, such as the following:=
<br /><br />=60<br />module Example<br />  refine String do<br />    def =
pugs<br />      =22Pugs=21=22<br />    end<br />  end<br />end<br /><br /=
>using Example<br /><br />puts ('a'..'z').map(&:pugs)<br />=60<br /><br /=
>I can understand why they currently do not work, but it leads to uglier =
code.<br /><br />----------------------------------------<br />=46eature =
=239451: Refinements and unary & (to=5Fproc)<br />https://bugs.ruby-lang.=
org/issues/9451=23change-55254<br /><br />* Author: Jan Lelis<br />* Stat=
us: Assigned<br />* Priority: Normal<br />* Assignee: Yukihiro Matsumoto<=
br />----------------------------------------<br />Not sure if this is a =
bug or feature request:<br /><br />=7E=7E=7Eruby<br />require 'minitest/a=
utorun'<br />require 'set'<br /><br />module ClassToProc<br />  refine Cl=
ass do<br />    def to=5Fproc<br />      lambda=7B =7C*args=7C self.new(*=
args) =7D<br />    end<br />  end<br />end<br /><br />using ClassToProc<b=
r /><br />describe 'Class=23to=5Fproc' do<br />  it 'works when called di=
rectly' do<br />    Set.to=5Fproc=5B=5B1,2=5D=5D.must=5Fequal Set=5B1,2=5D=
<br />  end<br /><br />  it 'fails when called via ampersand' do<br />   =
 =5B=5B1,2=5D=5D.map(&Set).must=5Fequal =5BSet=5B1,2=5D=5D<br />  end<br =
/>end<br />=7E=7E=7E<br /><br />The second example errors with *NoMethodE=
rror: super: no superclass method =60to=5Fproc' for Set:Class*<br /><br /=
>Would be great to have it, though.<br /><br /><br /><br /><br />-- <br /=
>https://bugs.ruby-lang.org/<br /></blockquote></div></div></body></html>
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