Ada Programming/Libraries


Ada. Time-tested, safe and secure.
Ada. Time-tested, safe and secure.

Predefined Language Libraries

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Ada's built-in library is provided by three root library units: Ada, Interfaces, and System; other library units are children of these. The library is quite extensive and well-structured. These chapters too are more reference like. Most specifications included in them have been obtained from the reznikmm/adalib repository.

The package Standard contains all predefined identifiers in the language.

Ada 83 had a much smaller library and did not yet have this library structure. These root libraries were introduced in Ada 95 to inhibit a name pollution. To preserve compatibility, there exist renamings of all Ada 83 library units XXX as Ada.XXX respectively System.XXX; see RM J.1: Renamings of Library Units [Annotated]. Contrary to the names in the root hierarchies, the original Ada 83 names XXX are not protected – they may be reused for user-defined library units.

Implementation-Defined Language Libraries

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Every Ada implementation has as an extension of the predefined Ada library. One example is the library provided by the GNAT implementation.

Other Language Libraries

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Other libraries which are not part of the standard but freely available.

See also

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Wikibook

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Ada Reference Manual

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Resources

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  • A collection of Tools and Libraries maintained by the Ada Resource Association.
  • The collection of crates of Alire, a package manager for Ada libraries and applications in source form.