Automatically `delete' a variable at end of scope. From https://twitter.com/Jonathan_Blow/status/379394775788425216

scope_delete.hh

template <typename T>
struct Scope_Delete_Handler
{
  T target;
  Scope_Delete_Handler(T _target) :target(_target) {}
  ~Scope_Delete_Handler() { delete target; }
};

#define Scope_Delete(x) Scope_Delete_Handler <decltype(x)> _##x##_## __LINE__(x)

/* Usage: */
bool foo()
{
  SomeType *bar = new SomeType();
  Scope_Delete(bar);

  /* .. Do things with bar and be sure that it's deleted even if you exit early .. */

  return true;
}