Ada Programming/Keywords/interface
< Ada Programming | Keywords
This language feature is only available from Ada 2005 on.
Used to declare an interface. Interfaces are the most important innovation in Ada 2005. The basic semantic has been taken from the interface concept of the Java programming language. Interface inheritance is a reduced form of multiple inheritance.
Interface typesEdit
There are various forms of interfaces available:
Normal interfaceEdit
The normal interface is declared as:
type
Printableis
interface
;
Limited interfaceEdit
Can be used as interface to limited tagged type.
type
Printableis
limited
interface
;
Synchronized interfaceEdit
type
Printableis
synchronized
interface
;
All synchronized interfaces are also limited.
Task interfaceEdit
Can be used as an interface to a task type.
type
Printableis
task
interface
;
All task interfaces are also synchronized.
Protected interfaceEdit
Can be used as an interface to a protected type.
type
Printableis
protected
interface
;
All protected interfaces are also synchronized.
See alsoEdit
WikibookEdit
- Ada Programming
- Ada Programming/Keywords
- Ada Programming/Object Orientation
- Ada Programming/Multiple Inheritance
- Ada Programming/Tasking
- Ada Programming/Pragmas/Interface (obsolescent)
Ada Reference ManualEdit
Ada 2005Edit
Ada Quality and Style GuideEdit
Ada Keywords | ||||
---|---|---|---|---|
abort
|
else
|
new
|
return
|
|
abs
|
elsif
|
not
|
reverse
|
|
abstract (Ada 95)
|
end
|
null
|
||
accept
|
entry
|
select
|
||
access
|
exception
|
of
|
separate
|
|
aliased (Ada 95)
|
exit
|
or
|
some (Ada 2012)
|
|
all
|
others
|
subtype
|
||
and
|
for
|
out
|
synchronized (Ada 2005)
|
|
array
|
function
|
overriding (Ada 2005)
|
||
at
|
tagged (Ada 95)
|
|||
generic
|
package
|
task
|
||
begin
|
goto
|
pragma
|
terminate
|
|
body
|
private
|
then
|
||
if
|
procedure
|
type
|
||
case
|
in
|
protected (Ada 95)
|
||
constant
|
interface (Ada 2005)
|
until (Ada 95)
|
||
is
|
raise
|
use
|
||
declare
|
range
|
|||
delay
|
limited
|
record
|
when
|
|
delta
|
loop
|
rem
|
while
|
|
digits
|
renames
|
with
|
||
do
|
mod
|
requeue (Ada 95)
|
xor
|