Remove elements from the head of the block. If n == length, freeCapacity will be equal to capacity after this call. Whether the destructors are called on the removed elements is determined by the dtors template parameter.
number of elements to remove
See Implementation
Remove elements from the head of the block. If n == length, freeCapacity will be equal to capacity after this call. Whether the destructors are called on the removed elements is determined by the dtors template parameter.