Пакет Ada.Strings.Unbounded.Text_IO

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--  This child package of Ada.Strings.Unbounded provides some specialized
--  Text_IO routines that work directly with unbounded strings, avoiding the
--  inefficiencies of access via the standard interface, and also taking
--  direct advantage of the variable length semantics of these strings.

with Ada.Text_IO;

package Ada.Strings.Unbounded.Text_IO is

   function Get_Line                                return Unbounded_String;
   function Get_Line (File : Ada.Text_IO.File_Type) return Unbounded_String;
   --  Reads up to the end of the current line, returning the result
   --  as an unbounded string of appropriate length. If no File parameter
   --  is present, input is from Current_Input.

   procedure Get_Line
     (File : Ada.Text_IO.File_Type;
      Item : out Unbounded_String);
   procedure Get_Line (Item : out Unbounded_String);
   --  Similar to the above, but in procedure form with an out parameter

   procedure Put                                    (U : Unbounded_String);
   procedure Put      (File : Ada.Text_IO.File_Type; U : Unbounded_String);
   procedure Put_Line                               (U : Unbounded_String);
   procedure Put_Line (File : Ada.Text_IO.File_Type; U : Unbounded_String);
   --  These are equivalent to the standard Text_IO routines passed the
   --  value To_String (U), but operate more efficiently, because the extra
   --  copy of the argument is avoided.

end Ada.Strings.Unbounded.Text_IO;