Rationale for Ada 2005

John Barnes
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Chapter 4: Structure and visibility

This chapter describes various improvements in the areas of structure and visibility for Ada 2005.
The most important improvement is perhaps the introduction of limited with clauses which permit types in two packages to refer to each other. A related addition to context clauses is the private with clause which just provides access from a private part.
There are also important improvements to limited types which make them much more useful; these include initialization with aggregates and composition using a new form of return statement.

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© 2005, 2006, 2007 John Barnes Informatics.
Sponsored in part by:
The Ada Resource Association and its member companies: ARA Members AdaCore Polyspace Technologies Praxis Critical Systems IBM Rational Sofcheck and   Ada-Europe: