One of my favourite things about Go is the defer statement. The defer statement pushes a function call onto a list; the list of saved calls in called when the function returns. Imitating this is C++ is impossible. Instead of calling when the function calls, you can call at the end of scope; this is a better approach for C++. This is similar to how D has scope(exit). C++11 Implementation template struct privDefer { F f; privDefer(F f) : f(f) {} ~privDefer() { f(); } }; template privDefer def...
