int naIsFunc(naRef r) GCC_PURE;
int naIsCCode(naRef r) GCC_PURE;
+// Object equality (check for same instance, aka. pointer equality)
+int naIsIdentical(naRef l, naRef r) GCC_PURE;
+
// Allocators/generators:
naRef naNil() GCC_PURE;
naRef naNum(double num) GCC_PURE;