Ada Programming/Libraries/Ada.Strings.Maps.Constants

is a unit of the Predefined Language Environment since Ada 95.

Specification
Pure Constants Control_Set            Character_Set Graphic_Set            Character_Set Letter_Set             Character_Set Lower_Set              Character_Set Upper_Set              Character_Set Basic_Set              Character_Set Decimal_Digit_Set      Character_Set Hexadecimal_Digit_Set  Character_Set Alphanumeric_Set       Character_Set Special_Set            Character_Set ISO_646_Set            Character_Set Lower_Case_Map         Character_Mapping Upper_Case_Map         Character_Mapping Basic_Map              Character_Mapping Import Ada Control_Set Import Ada Graphic_Set Import Ada Letter_Set Import Ada Lower_Set Import Ada Upper_Set Import Ada Basic_Set Import Ada Decimal_Digit_Set Import Ada Hexadecimal_Digit_Set Import Ada Alphanumeric_Set Import Ada Special_Set Import Ada ISO_646_Set Import Ada Lower_Case_Map Import Ada Upper_Case_Map Import Ada Basic_Map AdaStringsMapsConstants

Wikibook

 * Ada Programming/Libraries/Ada
 * Ada Programming/Strings