class Logic::BinaryOperator < Logic::Term attr_reader :left, :right def initialize(left, right) @left, @right = left, right end def to_h { "term" => self.class.name, "left" => @left.to_h, "right" => @right.to_h } end def self.from_h(h) self.new(Logic.from_h(h['left']), Logic.from_h(h['right'])) end def errors(stable_ids = []) errors = [] if @left.type != :number || @right.type != :number errors += ["les types sont incompatibles : #{self}"] end errors + @left.errors(stable_ids) + @right.errors(stable_ids) end def type = :boolean def compute(champs = []) l = @left.compute(champs) r = @right.compute(champs) l.send(operation, r) end def to_s = "(#{@left} #{operation} #{@right})" def ==(other) self.class == other.class && @left == other.left && @right == other.right end end