This facet generates an index for boundary analysis for a given text. More...
|boundary_indexing (size_t refs=0)|
|virtual index_type||map (boundary_type t, Char const *begin, Char const *end) const =0|
This facet generates an index for boundary analysis for a given text.
It is specialized for 4 types of characters
Default constructor typical for facets
Create index for boundary type t for text in range [begin,end)
The returned value is an index of type index_type. Note that this index is never empty, even if the range [begin,end) is empty it consists of at least one boundary point with the offset 0.
Identification of this facet