Ada Programming/Libraries/Ada.Strings.Wide Bounded.Wide Hash

is a unit of the Predefined Language Environment since Ada 2005.

Specification
Bounded AdaStringsWide_BoundedGeneric_Bounded_Length AdaStringsWide_BoundedWide_Hash Key  BoundedBounded_Wide_String ContainersHash_Type Preelaborate Wide_Hash

Wikibook

 * Ada Programming/Libraries/Ada