From: Rodrigo Rosenfeld Rosas <redmine@...>
Date: 2011-02-16T20:45:10+09:00
Subject: [ruby-core:35260] [Ruby 1.9-Feature#4402][Open] Include an "in" operator

Feature #4402: Include an "in" operator
http://redmine.ruby-lang.org/issues/show/4402

Author: Rodrigo Rosenfeld Rosas
Status: Open, Priority: Normal

It would be great to support the syntax

return if result in [nil, 'exit', 'quit']

which is a more humanized way to write

return if [nil, 'exit', 'quit'].include? result

The syntax is already support in for-in loops:

for i in ['a', 'b', 'c']; puts i; end


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