DataFrame Instance
Public Types		 Description 

View
A DataFrame view. This is a view on a contiguous slice of another DataFrame of the same type.
You can read and change data in this view.
 

ConstView
A const DataFrame view. This is a view on a contiguous slice of another DataFrame of the same type.
This is a read-only view.
 

PtrView
A DataFrame view. This is a view on a disjoined slice of another DataFrame of the same type.
You can read and change data in this view.
 

ConstPtrView
A const DataFrame view. This is a view on a disjoined slice of another DataFrame of the same type.
This is a read-only view.
 

align_value
An integer value specifying the byte alignment boundary in memory allocation for the DataFrame type.
 

template<typename T>
AllocatorType
Type of allocator used to allocate memory for this type of DataFrame.
It is either std::allocator or a custom allocator to allocate memory on custom byte boundaries. 

size_type
std::size_t
 

IndexType
Index column type for this DataFrame
 

IndexVecType
Type of vector used for the index column. It is either a std::vector or one of the vector views depending on whether this is a DataFrame or a DataFrame view.
Also, the allocator depends on the align_value.
 

template<typename T>
ColumnVecType
Type of vector used for data columns. It is either a std::vector or one of the vector views depending on whether this is a DataFrame or a DataFrame view.
Also, the allocator depends on the align_value.
 

template<typename T>
StlVecType
An stl::vector type with an allocator that is compatible with this DataFrame type.
Library-wide
Types		 Description 

template<typename I>
StdDataFrame
A DataFrame with index type I that uses system default byte boundary for memory allocations.
 

template<typename I>
StdDataFrame64
A DataFrame with index type I that uses 64 bytes boundary for memory allocations.
 

template<typename I>
StdDataFrame128
A DataFrame with index type I that uses 128 bytes boundary for memory allocations.
 

template<typename I>
StdDataFrame256
A DataFrame with index type I that uses 256 bytes boundary for memory allocations.
 

template<typename I>
StdDataFrame512
A DataFrame with index type I that uses 512 bytes boundary for memory allocations.
 

template<typename I>
StdDataFrame1024
A DataFrame with index type I that uses 1024 bytes boundary for memory allocations.
 

template<typename T>
struct Index2D  {
    T   begin {};
    T   end {};
};
It represents a range with begin and end within a continuous memory space
 

DF_INDEX_COL_NAME
A const char * name referring to the index column in general.

C++ DataFrame