These functions allow for a null allocator to mean use the default allocator, as used by DetachedBuffer and vector_downward below. This is to avoid ha

Return the indices of the top N values of vector v. */

Return the top N predictions. */

@brief Reset all the state in this FlatBufferBuilder so it can be reused to construct another buffer.

@brief Specialized version of `CreateVector` for non-copying use cases. Write the data any time later to the returned buffer pointer `buf`. @param[in]