·

359

· debbora

Module A
 def say
 puts "Hello! I'm module A"
 end
 end

 class B
 include A
 end

 class C
 extend A
 end

Class method

B.say produces: undefined method 'say' for B:Class

C.say produces: this is module A

---

Instance method

B.new.say produces: this is module A

C.new.say produces: undefined method 'say' for C:Class

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