define_method & block argument

gistfile1.rb

puts "#{"-"*10} ruby #{RUBY_VERSION} #{"-"*10}"

module A
  class << self
    define_method(:mymethod) do |arg1, arg2, &block|
      x = 1
      puts "arg1:#{arg1}"
      puts "arg2:#{arg2}"
      block.call(x)
    end
  end
end

A.mymethod("a","b") do |x|
  puts "x=#{x}"
end