method

have_option?

ruby latest stable - Class: FileUtils

have_option?(mid, opt)

private

Returns true if the method mid have an option opt.

p FileUtils.have_option?(:cp, :noop)     #=> true
p FileUtils.have_option?(:rm, :force)    #=> true
p FileUtils.have_option?(:rm, :preserve) #=> false

# File lib/fileutils.rb, line 1532
  def self.have_option?(mid, opt)
    li = OPT_TABLE[mid.to_s] or raise ArgumentError, "no such method: #{mid}"
    li.include?(opt)
  end

have_option?

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