diff options
Diffstat (limited to 'lib/optparse/kwargs.rb')
-rw-r--r-- | lib/optparse/kwargs.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/optparse/kwargs.rb b/lib/optparse/kwargs.rb new file mode 100644 index 0000000000..ed58cc142b --- /dev/null +++ b/lib/optparse/kwargs.rb @@ -0,0 +1,17 @@ +# frozen_string_literal: true +require 'optparse' + +class OptionParser + def define_by_keywords(options, meth, **opts) + meth.parameters.each do |type, name| + case type + when :key, :keyreq + op, cl = *(type == :key ? %w"[ ]" : ["", ""]) + define("--#{name}=#{op}#{name.upcase}#{cl}", *opts[name]) do |o| + options[name] = o + end + end + end + options + end +end |