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module Arel
module Nodes
class InfixOperation < Binary
include Arel::Expressions
include Arel::Predications
include Arel::AliasPredication
include Arel::Math
attr_reader :operator
def initialize operator, left, right
super(left, right)
@operator = operator
end
end
class Multiplication < InfixOperation
def initialize left, right
super(:*, left, right)
end
end
class Division < InfixOperation
def initialize left, right
super(:/, left, right)
end
end
class Addition < InfixOperation
def initialize left, right
super(:+, left, right)
end
end
class Subtraction < InfixOperation
def initialize left, right
super(:-, left, right)
end
end
end
end
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