About: Comparison of ALGOL 68 and C++

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C++ doesn't have: * PROC – first class nested functions (emulation due to local definitions of class-types, which then could be functors, also new C++11 has lambda functions), * OP and PRIO – definable operator symbols and priorities, * garbage collection (could be emulated with help of smart pointers), * use before define, * formatted transput using complex formatting declarations, * := – assignment operation symbol (to avoid confusion with equal sign), * array (and slice operations on them, but in layered libraries), * automatic UNIONs, * CASE expressions, * nonlocal GOTO * intuitive declaration syntax due to its origin from C.

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  • C++ doesn't have: * PROC – first class nested functions (emulation due to local definitions of class-types, which then could be functors, also new C++11 has lambda functions), * OP and PRIO – definable operator symbols and priorities, * garbage collection (could be emulated with help of smart pointers), * use before define, * formatted transput using complex formatting declarations, * := – assignment operation symbol (to avoid confusion with equal sign), * array (and slice operations on them, but in layered libraries), * automatic UNIONs, * CASE expressions, * nonlocal GOTO * intuitive declaration syntax due to its origin from C. ALGOL 68 doesn't have: * public/private struct member access protection, * overloaded procedures (in contrast to operators), * explicit memory deallocation, * forward declarations (use before definition is allowed) * textual preprocessing (e.g. macros), * distinct reference and pointer types, * comment lines (only bracketed comments), * struct inheritance, struct member functions, virtual functions. * destructors, exceptions, templates, namespaces, structured loop exits (en)
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  • C++ doesn't have: * PROC – first class nested functions (emulation due to local definitions of class-types, which then could be functors, also new C++11 has lambda functions), * OP and PRIO – definable operator symbols and priorities, * garbage collection (could be emulated with help of smart pointers), * use before define, * formatted transput using complex formatting declarations, * := – assignment operation symbol (to avoid confusion with equal sign), * array (and slice operations on them, but in layered libraries), * automatic UNIONs, * CASE expressions, * nonlocal GOTO * intuitive declaration syntax due to its origin from C. (en)
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  • Comparison of ALGOL 68 and C++ (en)
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