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* string.c: Fix the ambiguous description of the behavior of

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rb_str_aref_m with a range.  It returns nil when the beginning of
  the range is greater than the end of the string rather than the range.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2011-06-09 09:39:47 +00:00
parent 8cd2bf0721
commit 30a87f3535
2 changed files with 8 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Thu Jun 9 18:36:00 2011 Kenta Murata <mrkn@mrkn.jp>
* string.c: Fix the ambiguous description of the behavior of
rb_str_aref_m with a range. It returns nil when the beginning of
the range is greater than the end of the string rather than the range.
Thu Jun 9 10:57:03 2011 Aaron Patterson <aaron@tenderlovemaking.com>
* ext/psych/lib/psych/visitors/to_ruby.rb: Hash subclasses can be read

3
string.c
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@ -3168,7 +3168,8 @@ rb_str_aref(VALUE str, VALUE indx)
* characters at offsets given by the range is returned. In all three cases, if
* an offset is negative, it is counted from the end of <i>str</i>. Returns
* <code>nil</code> if the initial offset falls outside the string, the length
* is negative, or the beginning of the range is greater than the end.
* is negative, or the beginning of the range is greater than the end of the
* string.
*
* If a <code>Regexp</code> is supplied, the matching portion of <i>str</i> is
* returned. If a numeric or name parameter follows the regular expression, that