variant_cat Concatenates two variant values together and returns the result &reftitle.description; variantvariant_cat mixedleft mixedright Concatenates left with right and returns the result. This function is notionally equivalent to $left . $right. &reftitle.parameters; left The left operand. right The right operand. &com.variant-arith; &reftitle.returnvalues; Returns the result of the concatenation. &reftitle.errors; Throws a com_exception on failure. &reftitle.seealso; for the string concatenation operator