add method
Implementation
void add(Vector4 arg) {
final argStorage = arg._v4storage;
_v4storage[3] += argStorage[3];
_v4storage[2] += argStorage[2];
_v4storage[1] += argStorage[1];
_v4storage[0] += argStorage[0];
}
void add(Vector4 arg) {
final argStorage = arg._v4storage;
_v4storage[3] += argStorage[3];
_v4storage[2] += argStorage[2];
_v4storage[1] += argStorage[1];
_v4storage[0] += argStorage[0];
}