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ruby--ruby/lib/optparse/kwargs.rb

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534 B
Ruby

# frozen_string_literal: true
require 'optparse'
class OptionParser
# :call-seq:
# define_by_keywords(options, method, **params)
#
# :include: ../../doc/optparse/creates_option.rdoc
#
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