private static T[] BuilderInsert <T>(T[] array, int index, T item, ArrayPooler <T> arrayPool)
{
var newArray = arrayPool.Get(array.Length + 1);
newArray[index] = item;
if (array.Length == 0)
{
arrayPool.Return(array);
return(newArray);
}
int s = 0;
for (int d = 0; d != index; ++s, ++d)
{
newArray[d] = array[s];
}
for (int d = index + 1; d < newArray.Length; ++s, ++d)
{
newArray[d] = array[s];
}
arrayPool.Return(array);
return(newArray);
}
private static T[] BuilderRemoveAt <T>(T[] array, int index, ArrayPooler <T> arrayPool)
{
if (array.Length == 1)
{
arrayPool.Return(array);
return(Array.Empty <T>());
}
var newArray = arrayPool.Get(array.Length - 1);
int s = 0;
for (int d = 0; d < newArray.Length; ++s, ++d)
{
if (s == index)
{
d--;
continue;
}
newArray[d] = array[s];
}
arrayPool.Return(array);
return(newArray);
}
public State()
{
OwnerToken = new BuilderToken();
Values = new ArrayPooler <ValueNode>();
Branches = new ArrayPooler <Branch>();
}