From: Joseph Jones <joeyi5216@...>
Date: 2015-12-17T21:06:42-07:00
Subject: [ruby-core:72280] [Ruby trunk - Feature #10930] Allow splat operator to work for string interpolation

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Joseph Jones liked your message with Boxer. On December 4, 2015 at 21:53:=
25 MST, 6ftdan=40gmail.com wrote:Issue =2310930 has been updated by Danie=
l P. Clark.=7E=7E=7Erubyclass Example def method=5Fmissing m, *a puts =22=
Method =23=7Bm=7D called with arguments =22, *a endendExample.new.foo :ba=
r, :baz=23Method foo called with arguments =23bar=23bazclass Example def =
method=5Fmissing m, *a puts =22Method =23=7Bm=7D called with arguments =23=
=7Ba=7D=22 endendExample.new.foo :bar, :baz=23Method foo called with argu=
ments =5B:bar, :baz=5D=7E=7E=7ENeither of these are the desired behavior.=
 It ends up needing to be implemented like this.=7E=7E=7Erubyclass Exampl=
e def method=5Fmissing m, *a puts =22Method =23=7Bm=7D called with argume=
nts =23=7Ba.to=5Fs=5B1..-2=5D=7D=22 endendExample.new.foo :bar, :baz=23Me=
thod foo called with arguments :bar, :baz=7E=7E=7E-----------------------=
-----------------=46eature =2310930: Allow splat operator to work for str=
ing interpolationhttps://bugs.ruby-lang.org/issues/10930=23change-55245* =
Author: Daniel P. Clark* Status: =46eedback* Priority: Normal* Assignee: =
----------------------------------------Currently when you use the splat =
operator in a method it pulls the items out of the array for method param=
eters.=7E=7E=7Erubydef foo(a,b,c) puts =22=23=7Ba=7D, =23=7Bb=7D, =23=7Bc=
=7D=22endbar =3D =5B1,2,3=5Dfoo(*bar)=23 =3D> =221, 2, 3=22=7E=7E=7ESo I =
would expect to be able to do =22=23=7B*bar=7D=22 and get either =221, 2,=
 3=22 or =221,2,3=22. But when attempting this I get.=7E=7E=7Erubybaz =3D=
 =5B1,2,3=5D=22=23=7B*baz=7D=22=23 SyntaxError: (irb):53: syntax error, u=
nexpected tSTRING=5FDEND, expecting '=3D'=23 =22=23=7B*baz=7D=22=23 =5E=23=
 (irb):53: unterminated string meets end of file=22=23=7B*=5B1,2,3=5D=7D=22=
=23 SyntaxError: (irb):54: syntax error, unexpected tSTRING=5FDEND, expec=
ting :: or '=5B' or '.'=23 =22=23=7B*=5B1,2,3=5D=7D=22=23 =5E=23 (irb):54=
: unterminated string meets end of file=7E=7E=7EThis doesn't work on any =
of the Ruby versions available 1.8 through 2.2.1. They each produce the s=
ame error.I propose allowing the splat operator within string interpolati=
on to work the same as =5B1,2,3=5D.join(',')=7E=7E=7Erubyfiz =3D =5B1,2,3=
=5D=22=23=7B*fiz=7D=22=23 =3D> =221,2,3=22=22=23=7B*=5B1,2,3=5D=7D=22=23 =
=3D> =221,2,3=22=7E=7E=7E-- 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 4, 2015 at 21:53:25 MST, 6ftdan=40gmail.com wrote:<br/><block=
quote type=3D=22cite=22 style=3D=22border-left-style:solid;border-width:1=
px;margin-left:0px;padding-left:10px;=22>Issue =2310930 has been updated =
by Daniel P. Clark.<br /><br /><br />=7E=7E=7Eruby<br />class Example<br =
/>  def method=5Fmissing m, *a<br />    puts =22Method =23=7Bm=7D called =
with arguments =22, *a<br />  end<br />end<br /><br />Example.new.foo :ba=
r, :baz<br />=23Method foo called with arguments <br />=23bar<br />=23baz=
<br /><br />class Example<br />  def method=5Fmissing m, *a<br />    puts=
 =22Method =23=7Bm=7D called with arguments =23=7Ba=7D=22<br />  end<br /=
>end<br /><br />Example.new.foo :bar, :baz<br />=23Method foo called with=
 arguments =5B:bar, :baz=5D<br />=7E=7E=7E<br /><br />Neither of these ar=
e the desired behavior.  It ends up needing to be implemented like this.<=
br /><br />=7E=7E=7Eruby<br />class Example<br />  def method=5Fmissing m=
, *a<br />    puts =22Method =23=7Bm=7D called with arguments =23=7Ba.to=5F=
s=5B1..-2=5D=7D=22<br />  end<br />end<br /><br />Example.new.foo :bar, :=
baz<br />=23Method foo called with arguments :bar, :baz<br />=7E=7E=7E<br=
 /><br />----------------------------------------<br />=46eature =2310930=
: Allow splat operator to work for string interpolation<br />https://bugs=
.ruby-lang.org/issues/10930=23change-55245<br /><br />* Author: Daniel P.=
 Clark<br />* Status: =46eedback<br />* Priority: Normal<br />* Assignee:=
 <br />----------------------------------------<br />Currently when you u=
se the splat operator in a method it pulls the items out of the array for=
 method parameters.<br /><br />=7E=7E=7Eruby<br />def foo(a,b,c)<br />  p=
uts =22=23=7Ba=7D, =23=7Bb=7D, =23=7Bc=7D=22<br />end<br /><br />bar =3D =
=5B1,2,3=5D<br />foo(*bar)<br />=23 =3D> =221, 2, 3=22<br />=7E=7E=7E<br =
/><br />So I would expect to be able to do =22=23=7B*bar=7D=22 and get ei=
ther =221, 2, 3=22 or =221,2,3=22.  But when attempting this I get.<br />=
<br />=7E=7E=7Eruby<br />baz =3D =5B1,2,3=5D<br /><br />=22=23=7B*baz=7D=22=
<br /><br />=23 SyntaxError: (irb):53: syntax error, unexpected tSTRING=5F=
DEND, expecting '=3D'<br />=23 =22=23=7B*baz=7D=22<br />=23         =5E<b=
r />=23 (irb):53: unterminated string meets end of file<br /><br />=22=23=
=7B*=5B1,2,3=5D=7D=22<br /><br />=23 SyntaxError: (irb):54: syntax error,=
 unexpected tSTRING=5FDEND, expecting :: or '=5B' or '.'<br />=23 =22=23=7B=
*=5B1,2,3=5D=7D=22<br />=23             =5E<br />=23 (irb):54: unterminat=
ed string meets end of file<br />=7E=7E=7E<br /><br />This doesn't work o=
n any of the Ruby versions available 1.8 through 2.2.1.  They each produc=
e the same error.<br /><br />I propose allowing the splat operator within=
 string interpolation to work the same as =5B1,2,3=5D.join(',')<br /><br =
/>=7E=7E=7Eruby<br />fiz =3D =5B1,2,3=5D<br /><br />=22=23=7B*fiz=7D=22<b=
r />=23 =3D> =221,2,3=22<br /><br />=22=23=7B*=5B1,2,3=5D=7D=22<br />=23 =
=3D> =221,2,3=22<br />=7E=7E=7E<br /><br /><br /><br />-- <br />https://b=
ugs.ruby-lang.org/<br /></blockquote></div></div></body></html>
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