C++ Programming Styles and Libraries
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of C++ programming. For example Accelerated C++ introduces templates ... bine the intellectual thrill of discovering something new with practical ...
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C++ Programming Styles and LibrariesPage 1C++ Programming Styles and LibrariesBjarne StroustrupAT&T Labs ResearchFlorham Park NJABSTRACTOne of the main aims of C++ has been to make it an excellent tool for writinglibraries. Here I present some points about the role of libraries and of the programmingstyles that they support and rely on. For lack of space for a thorough treatment of thesethemes I refer to books.1 IntroductionC++ is a multiparadigm programming language. That is C++ supports several styles of programming:Cstyle programmingC++ is a better C maintaining Cs flexibility and runtime efficiencywhile improving type checking;Data abstractionthe ability to create types that suit our needs;Objectoriented programming the idea of programming with class hierarchies and runtime polymorphism; andGeneric programmingprogramming using type parameterization of both data types and algorithms.Importantly C++ supports the use of combinations of those styles. This is crucial because the most effective programming techniques involve a variety of styles that people often classify as different. Radicallydifferent programming styles are often referred to as different paradigms; hence the word multiparadigmStroustrup2001].Naturally this flexibility is viewed as mere complexity by people who think that there is one style ofprogramming that is right for everyone. However C++ is a generalpurpose programming language with abias towards systems programming and none of the candidates for the one right way of writing programsadequately supports the range of needs faced by C++ programmers.One group of programmers in particular need generality flexibility and efficiency beyond what mostprogrammers consider normal and reasonable: library writers. Many parts of C++ are best understood asfacilities supporting library writers and library users. Think of it this way: Without a good library mostinteresting tasks are hard to do in C++; but given a good library almo ...
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