From: Nathan Broadbent <nathan.f77@...>
Date: 2012-11-13T04:12:03+09:00
Subject: [ruby-core:49261] Re: [ruby-trunk - Bug #7338][Open] loop command doesn't accept begin/end, only { }

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Hi there,

Try 'loop do' instead of 'loop begin'


Best,
Nathan

On Tuesday, 13 November 2012, dwilde1 (Donald Wilde) wrote:

>
> Issue #7338 has been reported by dwilde1 (Donald Wilde).
>
> ----------------------------------------
> Bug #7338: loop command doesn't accept begin/end, only { }
> https://bugs.ruby-lang.org/issues/7338
>
> Author: dwilde1 (Donald Wilde)
> Status: Open
> Priority: Normal
> Assignee:
> Category:
> Target version:
> ruby -v: ruby 1.9.3p286 (2012-10-12 revision 37165) [x86_64-linux]
>
>
> def token_generator
>     random = Random.new
>     alpha = Array.new
>     ('a' .. 'z').each do | c |
>       alpha << c
>     end
>     ('A' .. 'Z').each do | c |
>       alpha << c
>     end
>     numbers = %w{ 0 1 2 3 4 5 6 7 8 9 }
>     loop begin
>       unique_string = ''
>       0.upto( 19 ) do | n |
>         if n.even? then
>           unique_string << alpha[ random.rand( 52 ) ]
>         else
>           unique_string << numbers[ random.rand( 10 ) ]
>         end
>       end
>       break unless @sessions.include?( unique_string.to_sym )
>     end
>     unique_string
>   end
>
> causes:
>
> /usr/local/lib/ruby/1.9.1/rubygems/custom_require.rb:55:in `require':
> /home/devel/ISF_Server/Actors/DataProvider.rb:49: syntax error, unexpected
> keyword_do_block, expecting keyword_end (SyntaxError)
>       0.upto( 19 ) do | n |
>                      ^
> /home/devel/ISF_Server/Actors/DataProvider.rb:72: syntax error, unexpected
> keyword_end, expecting $end
>         from /usr/local/lib/ruby/1.9.1/rubygems/custom_require.rb:55:in
> `require'
>         from ./server-work.rb:7:in `<main>'
>
> but replacing begin/end with { } works.
>
>
> --
> http://bugs.ruby-lang.org/
>
>

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Hi there,<div><br></div><div>Try &#39;loop do&#39; instead of &#39;loop beg=
in&#39;</div><div><br></div><div><br></div><div>Best,</div><div>Nathan<span=
></span><br><br>On Tuesday, 13 November 2012, dwilde1 (Donald Wilde)  wrote=
:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><br>
Issue #7338 has been reported by dwilde1 (Donald Wilde).<br>
<br>
----------------------------------------<br>
Bug #7338: loop command doesn&#39;t accept begin/end, only { }<br>
<a href=3D"https://bugs.ruby-lang.org/issues/7338" target=3D"_blank">https:=
//bugs.ruby-lang.org/issues/7338</a><br>
<br>
Author: dwilde1 (Donald Wilde)<br>
Status: Open<br>
Priority: Normal<br>
Assignee:<br>
Category:<br>
Target version:<br>
ruby -v: ruby 1.9.3p286 (2012-10-12 revision 37165) [x86_64-linux]<br>
<br>
<br>
def token_generator<br>
=A0 =A0 random =3D Random.new<br>
=A0 =A0 alpha =3D Array.new<br>
=A0 =A0 (&#39;a&#39; .. &#39;z&#39;).each do | c |<br>
=A0 =A0 =A0 alpha &lt;&lt; c<br>
=A0 =A0 end<br>
=A0 =A0 (&#39;A&#39; .. &#39;Z&#39;).each do | c |<br>
=A0 =A0 =A0 alpha &lt;&lt; c<br>
=A0 =A0 end<br>
=A0 =A0 numbers =3D %w{ 0 1 2 3 4 5 6 7 8 9 }<br>
=A0 =A0 loop begin<br>
=A0 =A0 =A0 unique_string =3D &#39;&#39;<br>
=A0 =A0 =A0 0.upto( 19 ) do | n |<br>
=A0 =A0 =A0 =A0 if n.even? then<br>
=A0 =A0 =A0 =A0 =A0 unique_string &lt;&lt; alpha[ random.rand( 52 ) ]<br>
=A0 =A0 =A0 =A0 else<br>
=A0 =A0 =A0 =A0 =A0 unique_string &lt;&lt; numbers[ random.rand( 10 ) ]<br>
=A0 =A0 =A0 =A0 end<br>
=A0 =A0 =A0 end<br>
=A0 =A0 =A0 break unless @sessions.include?( unique_string.to_sym )<br>
=A0 =A0 end<br>
=A0 =A0 unique_string<br>
=A0 end<br>
<br>
causes:<br>
<br>
/usr/local/lib/ruby/1.9.1/rubygems/custom_require.rb:55:in `require&#39;: /=
home/devel/ISF_Server/Actors/DataProvider.rb:49: syntax error, unexpected k=
eyword_do_block, expecting keyword_end (SyntaxError)<br>
=A0 =A0 =A0 0.upto( 19 ) do | n |<br>
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0^<br>
/home/devel/ISF_Server/Actors/DataProvider.rb:72: syntax error, unexpected =
keyword_end, expecting $end<br>
=A0 =A0 =A0 =A0 from /usr/local/lib/ruby/1.9.1/rubygems/custom_require.rb:5=
5:in `require&#39;<br>
=A0 =A0 =A0 =A0 from ./server-work.rb:7:in `&lt;main&gt;&#39;<br>
<br>
but replacing begin/end with { } works.<br>
<br>
<br>
--<br>
<a href=3D"http://bugs.ruby-lang.org/" target=3D"_blank">http://bugs.ruby-l=
ang.org/</a><br>
<br>
</blockquote></div>

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