void pushBase(T& val)
Adds a reference to the value to the start of the list, if the list is not storing references, the value will be copied.
Parameters
val - a reference to the value to add
Example
LinkedList<int> l = {3, 4, 5};
int v = 6;
l.pushBase(v);
//l now contains {6, 3, 4, 5}