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C and C++ indeed aren't future-proof, but it's not juste because of undefined behavior, it's by remaining stuck firmly in the 1960's in terms of programming style. C++11 added many changes intended for "do-it-yourself" crowd, like auto, new function syntax, lambdas. It didn't add much in terms of "let the compiler do the work for me" crowd (one notable exception being variadic templates, something that was in my own XL programming language since 2000). In C++, you are still supposed to do the boring work yourself. For example, C++11 still lack anything that would let you build solid reflexion and introspection, or write a good garbage collector that doesn't need to scan tons of non-pointers. If you want to extend C++, it's just too hard. C++11 managed to add complexity to the most inanely complex syntax of all modern programming languages. Building any useful extension on top of C++, like Qt's slots and signals, is exceedingly difficult. By contrast, Lisp has practically no syntactic construct and is future proof. My own XL has exactly 8 syntactic elements in the parse tree. So in my opinion, C and C++ are already left behind for a lot of application development these days because they lack a built-in way to evolve. If you are curious, this is a topic I explore more in depth under the "Concept programming" moniker, e.g. http://xlr.sourceforge.net/Concept%20Programming%20Presentat.... |