Gem::Commands::WhichCommand.new

# File tmp/rubies/ruby-3.1.3/lib/rubygems/commands/which_command.rb, line 5
def initialize
  super "which", "Find the location of a library file you can require",
        :search_gems_first => false, :show_all => false

  add_option "-a", "--[no-]all", "show all matching files" do |show_all, options|
    options[:show_all] = show_all
  end

  add_option "-g", "--[no-]gems-first",
             "search gems before non-gems" do |gems_first, options|
    options[:search_gems_first] = gems_first
  end
end