package Ada.Characters.Handling is pragma Pure(Handling); -Characterclassificationfunctions function Is_Control (Item : in Character) return Boolean; function Is_Graphic (Item : in Character) return Boolean; function Is_Letter (Item : in Character) return Boolean; function Is_Lower (Item : in Character) return Boolean; function Is_Upper (Item : in Character) return Boolean; function Is_Basic (Item : in Character) return Boolean; function Is_Digit (Item : in Character) return Boolean; function Is_Decimal_Digit (Item : in Character) return Boolean renames Is_Digit; function Is_Hexadecimal_Digit (Item : in Character) return Boolean; function Is_Alphanumeric (Item : in Character) return Boolean; function Is_Special (Item : in Character) return Boolean; -ConversionfunctionsforCharacterandString function To_Lower (Item : in Character) return Character; function To_Upper (Item : in Character) return Character; function To_Basic (Item : in Character) return Character; function To_Lower (Item : in String) return String; function To_Upper (Item : in String) return String; function To_Basic (Item : in String) return String; -ClassificationsofandconversionsbetweenCharacterandISO subtype ISO_646 is Character range Character'Val(0) .. Character'Val(127); function Is_ISO_646 (Item : in Character) return Boolean; function Is_ISO_646 (Item : in String) return Boolean; function To_ISO_646 (Item : in Character; Substitute : in ISO_646 := ' ') return ISO_646; function To_ISO_646 (Item : in String; Substitute : in ISO_646 := ' ') return String; -ClassificationsofandconversionsbetweenWide_CharacterandCharacter. function Is_Character (Item : in Wide_Character) return Boolean; function Is_String (Item : in Wide_String) return Boolean; function To_Character (Item : in Wide_Character; Substitute : in Character := ' ') return Character; function To_String (Item : in Wide_String; Substitute : in Character := ' ') return String; function To_Wide_Character (Item : in Character) return Wide_Character; function To_Wide_String (Item : in String) return Wide_String; end Ada.Characters.Handling;