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<h1>#57434: substr( $str, $pos, 0 ) in rakudo returns rest of string, not empty string</h1>
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pmichaud
<pmichaud [at] pobox.com>
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masak
<cmasak [at] gmail.com>
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<a name="txn-451846" href="/rt3/Ticket/Display.html?id=57434#txn-451846">#</a>
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<td class="date">Wed Jul 30 11:53:48 2008</td>
<td class="description">
masak - Ticket created
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<td align="right" class="message-header-key">Subject:</td>
<td class="message-header-value">substr( $str, $pos, 0 ) in rakudo returns rest of string, not empty string</td>
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<td align="right" class="message-header-key">Date:</td>
<td class="message-header-value">Wed, 30 Jul 2008 20:52:59 +0200</td>
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<td align="right" class="message-header-key">To:</td>
<td class="message-header-value">rakudobug <!-- x --> at perl.org</td>
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<td align="right" class="message-header-key">From:</td>
<td class="message-header-value">"Carl Mäsak" <cmasak <!-- x --> at gmail.com></td>
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$ svn info | grep Revi<br />
Revision: 29869<br />
<br />
$ ./perl6 -e 'say substr( "foo", 0, 2 )'<br />
fo<br />
$ ./perl6 -e 'say substr( "foo", 0, 1 )'<br />
f<br />
$ ./perl6 -e 'say substr( "foo", 0, 0 )' # wrong!<br />
foo<br />
<br />
$ ./perl6 -e 'say substr( "foo", 1, 2 )'<br />
oo<br />
$ ./perl6 -e 'say substr( "foo", 1, 1 )'<br />
o<br />
$ ./perl6 -e 'say substr( "foo", 1, 0 )' # wrong!<br />
oo<br />
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<a name="txn-451924" href="/rt3/Ticket/Display.html?id=57434#txn-451924">#</a>
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<td class="date">Wed Jul 30 13:49:10 2008</td>
<td class="description">
moritz <!-- x --> at verplant.org - Correspondence added
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<td align="right" class="message-header-key">Subject:</td>
<td class="message-header-value">Re: [perl #57434] substr( $str, $pos, 0 ) in rakudo returns rest of string, not empty string</td>
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<td align="right" class="message-header-key">Date:</td>
<td class="message-header-value">Wed, 30 Jul 2008 22:48:44 +0200</td>
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<td align="right" class="message-header-key">To:</td>
<td class="message-header-value">perl6-compiler <!-- x --> at perl.org</td>
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<td align="right" class="message-header-key">From:</td>
<td class="message-header-value">Moritz Lenz <moritz <!-- x --> at verplant.org></td>
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Just FYI, there are now two tests for that (marked as TODO) in<br />
t/spec/S29-str/substr.t<br />
<br />
Carl MXXsak (via RT) wrote:<br />
<div class="message-stanza-depth-1">
<div class="message-stanza-depth-2">
> # New Ticket Created by "Carl Mäsak" <br />
> # Please include the string: [perl #57434]<br />
> # in the subject line of all future correspondence about this issue. <br />
> # <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=57434 ><br />
</div>
> <br />
> <br />
> $ svn info | grep Revi<br />
> Revision: 29869<br />
> <br />
> $ ./perl6 -e 'say substr( "foo", 0, 2 )'<br />
> fo<br />
> $ ./perl6 -e 'say substr( "foo", 0, 1 )'<br />
> f<br />
> $ ./perl6 -e 'say substr( "foo", 0, 0 )' # wrong!<br />
> foo<br />
> <br />
> $ ./perl6 -e 'say substr( "foo", 1, 2 )'<br />
> oo<br />
> $ ./perl6 -e 'say substr( "foo", 1, 1 )'<br />
> o<br />
> $ ./perl6 -e 'say substr( "foo", 1, 0 )' # wrong!<br />
> oo<br />
</div>
<br />
<br />
-- <br />
Moritz Lenz<br />
http://moritz.faui2k3.org/ | http://perl-6.de/<br />
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<a name="txn-451928" href="/rt3/Ticket/Display.html?id=57434#txn-451928">#</a>
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<td class="date">Wed Jul 30 13:49:15 2008</td>
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RT_System - Status changed from 'new' to 'open'
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<a name="txn-454048" href="/rt3/Ticket/Display.html?id=57434#txn-454048">#</a>
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<td class="date">Sun Aug 03 11:34:22 2008</td>
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pmichaud - Comments added
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<td class="message-header-value">perl6-compiler <!-- x --> at perl.org</td>
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Now fixed in r29970, thanks!<br />
<br />
Pm<br />
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<a name="txn-454052" href="/rt3/Ticket/Display.html?id=57434#txn-454052">#</a>
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<td class="date">Sun Aug 03 11:34:23 2008</td>
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pmichaud - Status changed from 'open' to 'resolved'
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<a name="txn-454056" href="/rt3/Ticket/Display.html?id=57434#txn-454056">#</a>
<a name="lasttrans"> </a>
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<td class="date">Sun Aug 03 11:34:26 2008</td>
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pmichaud - Given to pmichaud
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