This report describes the programming language Ada, designed in accordance with the Steelman requirements of the United States Department of Defense. Overall, the Steelman requirements call for a language with considerable expressive power covering a wide application domain. As a result the language includes facilities offered by classical languages such as Pascal as well as facilities often found only in specialized languages. Thus the language is a modern algorithmic language with the usual control structures, and the ability to define types and subprograms. It also serves the need for modularity, whereby data, types, and subprograms can be packaged. It treats modularity in the physical sense as well, with a facility to support separate compilation.
KeywordsSyntactic Category Composite Type Access Type Program Unit Private Type
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