End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OptionParser::CompletingHash#match

match(key)

# File tmp/rubies/ruby-3.2.0/lib/optparse.rb, line 988
def match(key)
  *values = fetch(key) {
    raise AmbiguousArgument, catch(:ambiguous) {return complete(key)}
  }
  return key, *values
end

Completion for hash key.

also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0