Extended maintenance of Ruby versions 1.8.7 and 1.9.2 ended on July 31, 2014. Read more
Hash with completion search feature. See OptionParser::Completion.
Completion for hash key.
# File optparse.rb, line 669 def match(key) return key, *fetch(key) { raise AmbiguousArgument, catch(:ambiguous) {return complete(key)} } end