public static new SCode Make(Primitive2 rator, SCode rand0, SCode rand1)
{
return
((rand0 is Argument) ? PrimitiveLessThanFixnumA.Make(rator, (Argument)rand0, rand1) :
(rand0 is StaticVariable) ? PrimitiveLessThanFixnumS.Make(rator, (StaticVariable)rand0, rand1) :
(rand1 is Quotation) ? PrimitiveLessThanFixnumXQ.Make(rator, rand0, (Quotation)rand1) :
new PrimitiveLessThanFixnum(rator, rand0, rand1));
}
