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| From | 7stud -- <bbxx789_05ss@yahoo.com> |
| Newsgroups | comp.lang.ruby |
| Subject | Re: string/array slices |
| Date | Wed, 30 Mar 2011 13:08:05 -0500 |
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Patrick Tyler wrote in post #990031:
> Hello,
>
> I know that this has been covered a bit here:
> http://www.ruby-forum.com/topic/186437 but I'm still not certain that I
> understand.
>
> s = "foo"
>
> s[3] is nil, like I would expect.
>
> s[3,0] is "", instead of nil.
That behaviour is contrary to the description in the 1.9.2 docs here:
http://www.ruby-doc.org/core/classes/Array.html
which say:
Returns nil if the index (or starting index) are out of range.
Because 3 is out of range, s[3,0] should return nil according to the
docs.
--
Posted via http://www.ruby-forum.com/.
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string/array slices Patrick Tyler <patrick.a.tyler@gmail.com> - 2011-03-30 12:34 -0500
Re: string/array slices 7stud -- <bbxx789_05ss@yahoo.com> - 2011-03-30 13:08 -0500
Re: string/array slices Gary Wright <gwtmp01@mac.com> - 2011-03-30 16:22 -0500
Re: string/array slices 7stud -- <bbxx789_05ss@yahoo.com> - 2011-03-30 20:03 -0500
Re: string/array slices Adam Prescott <adam@aprescott.com> - 2011-03-31 02:17 -0500
Re: string/array slices 7stud -- <bbxx789_05ss@yahoo.com> - 2011-03-30 13:24 -0500
Re: string/array slices Gary Wright <gwtmp01@mac.com> - 2011-03-30 15:31 -0500
Re: string/array slices 7stud -- <bbxx789_05ss@yahoo.com> - 2011-03-30 19:55 -0500
Re: string/array slices Patrick Tyler <patrick.a.tyler@gmail.com> - 2011-03-30 14:42 -0500
Re: string/array slices Patrick Tyler <patrick.a.tyler@gmail.com> - 2011-03-30 16:16 -0500
Re: string/array slices Ross Harvey <chaos@ross.aero> - 2011-03-30 16:37 -0500
Re: string/array slices Patrick Tyler <patrick.a.tyler@gmail.com> - 2011-03-30 19:45 -0500
Re: string/array slices Patrick Tyler <patrick.a.tyler@gmail.com> - 2011-03-30 16:46 -0500
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