class SPARQL::Algebra::Operator::Multiply
The SPARQL
numeric `multiply` operator.
@example
(* ?x ?y) (multiply ?x ?y)
Constants
- NAME
Public Instance Methods
apply(left, right, **options)
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Returns the arithmetic product of the operands.
@param [RDF::Literal::Numeric] left
a numeric literal
@param [RDF::Literal::Numeric] right
a numeric literal
@return [RDF::Literal::Numeric] @raise [TypeError] if either operand is not a numeric literal
# File lib/sparql/algebra/operator/multiply.rb, line 25 def apply(left, right, **options) case when left.is_a?(RDF::Literal::Numeric) && right.is_a?(RDF::Literal::Numeric) left * right else raise TypeError, "expected two RDF::Literal::Numeric operands, but got #{left.inspect} and #{right.inspect}" end end