Most Obscure Features of C++

README.md

Inspired by http://madebyevan.com/obscure-cpp-features/. Compile and run using g++ or clang++.

$ g++ -std=c++11 -Wall -pedantic -Wextra wat.cpp
$ ./a.out 
hello! I'm called ./a.out and 5 + 3 is 8

wat.cpp

??=include <iostream>
 
namespace _ ??<
    struct _ <%
        bool __ = <%%>;
 
        ~_() ??< std::cout << std::endl; ??>
 
        template<class ___> auto operator,(___ const bitand _) -> ::_::_ bitand <%
            if(__ or not compl __) std::cout << ' ';
            __ xor_eq compl __;
            std::cout << _;
            return *this;
        %>
    %>;
??>
 
%:define print ??/
    _::_<%%>,
 
int main(int, char** argv) ??<
    print "hello!",
          "I'm called", 0<:argv:>,
          "and 5 + 3 is", 5 + 3;
    return 0;
??>