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Categories / Ruby / Class

 

Make an attribute readable and writable by using attr_reader, attr_writer

#!/usr/bin/env ruby class Dog   attr_reader :bark   attr_writer :bark end dog = Dog.new dog.bark="Woof!" puts dog.bark # => Woof! p dog.instance_variables.sort # => ["@bark"] p Dog.instance_methods.sort - Object.instance_methods # => [ "bark", "bark=" ]