Ada Programming/Keywords/interface

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This language feature is only available in Ada 2005.

Contents 1 Interface types 1.1 Normal interface 1.2 Limited interface 1.3 Synchronized interface 1.4 Task interface 1.5 Protected interface 2 See also 2.1 Wikibook 2.2 Ada Reference Manual 2.2.1 Ada 2005 2.3 Ada Quality and Style Guide

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.

[edit] Interface types

There are various forms of interfaces available:

[edit] Normal interface

The normal interface is declared as:

 type Printable is interface;

[edit] Limited interface

Can be used as interface to limited tagged type.

 type Printable is limited interface;

[edit] Synchronized interface

type Printable is synchronized interface;

All synchronized interfaces are also limited.

[edit] Task interface

Can be used as an interface to a task type.

type Printable is task interface;

All task interfaces are also synchronized.

[edit] Protected interface

Can be used as an interface to a protected type.

 type Printable is protected interface;

All protected interfaces are also synchronized.

[edit] See also

[edit] Wikibook

• Ada Programming
• Ada Programming/Keywords
• Ada Programming/Object Orientation
• Ada Programming/OO
• Ada Programming/Pragmas/Interface (obsolescent)

[edit] Ada Reference Manual

• 2.9 Reserved Words (Annotated)
• Annex P (informative) Syntax Summary (Annotated)

[edit] Ada 2005

• 3.9.4 Interface Types (Annotated)

[edit] Ada Quality and Style Guide

• 3.1.3 Capitalization

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 subtype all others synchronized (Ada 2005) and for out array function overriding (Ada 2005) tagged (Ada 95) at task generic package terminate begin goto pragma then body private type if procedure case in protected (Ada 95) until (Ada 95) constant interface (Ada 2005) use is raise declare range when delay limited record while delta loop rem with digits renames do mod requeue (Ada 95) xor