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* lib/optparse/kwargs.rb (OptionParser#define_by_keywords): [EXPERIMENTAL] extract command line option definitions from the information of keyword arguments. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56423 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
17 lines
406 B
Ruby
17 lines
406 B
Ruby
# frozen_string_literal: true
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require 'optparse'
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class OptionParser
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def define_by_keywords(options, meth, **opts)
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meth.parameters.each do |type, name|
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case type
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when :key, :keyreq
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op, cl = *(type == :key ? %w"[ ]" : ["", ""])
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define("--#{name}=#{op}#{name.upcase}#{cl}", *opts[name]) do |o|
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options[name] = o
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end
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end
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end
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options
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end
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end
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