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Napier88

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Napier88
ParadigmsMulti-paradigm:Procedural,imperative,structured
FamilyALGOL
Designed byRon Morrison, Fred Brown, Richard Connor, Al Dearle
DeveloperUniversity of St Andrews
First appeared1988; 38 years ago (1988)
Implementation languageS-algol
Influenced by
ALGOL 60,S-algol,PS-algol

Napier88 is anorthogonally persistentprogramming language that was designed and implemented at theUniversity of St Andrews,Scotland. The primary designer wasRon Morrison, whose initial designs were extended and implemented by Fred Brown, Richard Connor, and Al Dearle. Napier88 was ahead of its time in many ways, and was the first robustly implemented language to combine apolymorphic type system withorthogonal persistence. The language was robustly implemented and released to users from both industry and academia; up to 1,000 registered users were recorded in due course. The language, however, was only intended to provide a proof of concept for an experiment in persistent programming; some time after 1989 (the year the first implementation was in fact released) the group's interests moved on and the language was no longer maintained.

Its influence lives on in various other systems however; theCORBA typeANY is distinctly recognisable in Napier88's typeANY; Microsoft'sCommon Language Runtime (CLR) uses a similar polymorphic architecture, andJava's parametric types solve some of the same problems of uninstantiated types escaping from their static scope.

History

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Napier88 was the third of a family of languages designed and implemented by Morrison at St Andrews, following on fromS-algol andPS-algol.

Further reading

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External links

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ALGOL 58
MAD
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^ = full name and link in older ALGOL version above
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