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Alex Rivera
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In Ruby there are four different getter and setter methods for instance variables, attr , attr_reader , attr_writer , and attr_accessor . The question is, is in Ruby attr :dilithium , the same as attr_reader :dilithium , and identical to attr_accessor :dilithium if an additional parameter true is passed? That is to say is class Enterprise attr :dilithium, true identical to class Enterprise attr_accessor :dilithium Are the two functions attr and attr_accessor more or less redundant?
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