[ruby-core:75237] [Ruby trunk Bug#12323] Wrong example code in OptionParser documentation

Issue #12323 has been updated by Nobuyoshi Nakada.

Backport changed from 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN to 2.1: DONTNEED, 2.2: DONTNEED, 2.3: REQUIRED

Thank you.

I think that `OptparseExample.parse` should be an instance method but not a class method.

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Bug #12323: Wrong example code in OptionParser documentation
https://bugs.ruby-lang.org/issues/12323#change-58367

* Author: Semyon Gaivoronskiy
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]
* Backport: 2.1: DONTNEED, 2.2: DONTNEED, 2.3: REQUIRED
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There is a complete example code in OptionParser documentation (http://ruby-doc.org/stdlib-2.3.0/libdoc/optparse/rdoc/OptionParser.html). Trying to run it got next error message:
`example.rb:33:in 'parse': undefined local variable or method 'option_parser' for OptparseExample:Class (NameError)
from example.rb:138:in '<main>'`

I fixed a code of that example and attached it to this ticket. Maybe it should be moderated.

---Files--------------------------------
example.rb (4.08 KB)


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