example_for_calling_exact_method_for_class_with_several_mixins

main.rb

module A
  def a
    puts 'A'
  end  
end  

module B
  def a
    puts 'B'
  end  
end

class C
  include A
  include B
end

c = C.new
c.a
# B
B.instance_method(:a).bind(c).call
# B
A.instance_method(:a).bind(c).call
# A