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C++ 98
C++ 11
C++ 14
C++ 17
C++ 20
C++ 23
C++ 2c
for-loops as while-loops
array subscription
Show all implicit casts
Show all template parameters of a CallExpr
Use libc++
Transform std::initializer_list
Show noexcept internals
Show padding information
Show coroutine transformation
Show C++ to C transformation
Show object lifetime
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Andreas Fertig
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// hiddenFriend.cpp #include <iostream> class MyDistance{ public: explicit MyDistance(double i):m(i){} friend MyDistance operator +(const MyDistance& a, const MyDistance& b){ // (1) return MyDistance(a.m + b.m); } friend MyDistance operator -(const MyDistance& a, const MyDistance& b){ // (2) return MyDistance(a.m - b.m); } friend std::ostream& operator<< (std::ostream &out, const MyDistance& myDist){ // (3) out << myDist.m << " m"; return out; } private: double m; }; int main() { std::cout << '\n'; std::cout << "MyDistance(5.5) + MyDistance(5.5): " << MyDistance(5.5) + MyDistance(5.5) << '\n'; // (4) std::cout << "MyDistance(5.5) - MyDistance(5.5): " << MyDistance(5.5) - MyDistance(5.5) << '\n'; // (5) std::cout << '\n'; }
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