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* string.c (rb_str_aref): Improve rdoc, as per [bug #6106]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34927 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
marcandre 2012-03-06 04:09:04 +00:00
parent dd9569ded8
commit 8a4de7abf8
1 changed files with 10 additions and 10 deletions
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20
string.c
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@ -3198,12 +3198,11 @@ rb_str_aref(VALUE str, VALUE indx)
* Element Reference---If passed a single <code>Fixnum</code>, returns a
* substring of one character at that position. If passed two <code>Fixnum</code>
* objects, returns a substring starting at the offset given by the first, and
* a length given by the second. If given a range, a substring containing
* 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 of the
* string.
* with a length given by the second. If passed a range, its beginning and end
* are interpreted as offsets delimiting the substring to be 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 or
* the length is negative.
*
* 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
@ -3214,12 +3213,13 @@ rb_str_aref(VALUE str, VALUE indx)
*
* a = "hello there"
* a[1] #=> "e"
* a[1,3] #=> "ell"
* a[1..3] #=> "ell"
* a[-3,2] #=> "er"
* a[2, 3] #=> "llo"
* a[2..3] #=> "ll"
* a[-3, 2] #=> "er"
* a[7..-2] #=> "her"
* a[-4..-2] #=> "her"
* a[12..-1] #=> nil
* a[-2..-4] #=> ""
* a[12..-1] #=> nil
* a[/[aeiou](.)\1/] #=> "ell"
* a[/[aeiou](.)\1/, 0] #=> "ell"
* a[/[aeiou](.)\1/, 1] #=> "l"