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error_message

error_message()

Instance Public methods

Return the appropriate error message in POSIX-defined format. If no error has occurred, returns nil.

Links:

https://github.com/ruby/ruby/blob/bcef849df94fc48bd9c99472303f2fb7cf251f17/lib/getoptlong.rb#L411

doc_ruby_on_rails

2015-04-11 18:09:06

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