.


:




:

































 

 

 

 


9. -




 

- . : , ; , ; ; - . - . .

-

 

. : - .

. .

- ( ) . () , , .

- , , . , - . . [22], [32], [41], [59], [64], [66].

 

. - , () , . , , , , , , , .

, . , .

, . . .

: , (). . :

q ;

q ;

q .

. Ada 95 [4]:

Package _ is

subtype is Float range...

subtype is Natural range...

type is tagged private;

function (: )

return :

function (the: )

return ;

procedure (the: in out ;

: );

private

--

end _;

, (, , ). , . . , , . , :

: ;

: ;

: ;

 

: , , . . .

. .

: .

:

q ;

q ;

q ;

q ;

q .

with _. _;

use _. _;

Package _ is

type is (, );

subtype is Natural range...

type is tagged private;

function (: ;

: ; ; )

return ;

procedure (the: in out );

procedure (1: in out );

procedure (11: in out

);

procedure (the: in out

);

Function OnpocCoc(the: )

eturn ;

private

type _ is access all ;

type is tagged record

; ;

: ;

: _;

end record;

end _;

, , , . : , , . .

. .

 

C++, Object Pascal, Ada 95 . . , , . , .

.

: , . , . .

, . , .

Ada 95 .

: () . , . .

1. :

with _, _;

use _, _;

Package _ is

2. :

Package _ is

type is tagged private;

type is tagged private;

-------------------------

 

:

q ( );

q ( );

q ( ).

. .

.

- :

q (is a -);

q (part of -).

is - . , , ( ) ( ) .

: , 2- - 1- , . 2- , :

with _1; use _1;

Package _2 is

type is (. );

type 2 is new 1 with private;

procedure : in out 2:

: ; : ;

: _; : );

procedure (the: 2;

:);

function (the: 2)

return ;

function (the: 2)

return Boolean;

private

type 2 is new 1

with record

: ; : ;

: Boolean;

end record;

end _2;

, 2 is - 1, .

2 :

q ;

q (, , );

q (, , ).

, 2 . , 2 1. , 2 1, -, , .

1 2 . , (). , , , . -.

. , 2, .

part of- . , - . , , , . :

1) ;

2) .

( ):

with _. _;

use _, _;

Package _ is

type is tagged private;

--

private

type _ is access all 'Class;

type is record

: array(1..30) of _;

: ;

end record;

end _;

, , . . . , . , . , . , . , , , .

. () ( ), ( , ).

 

, .





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