Method resolve

doc/cppnow-2016/example/resolve.cpp:37–40

  template <class T, class TDefault, class TDeps>
  static decltype(auto) resolve(TDeps* deps) noexcept {
    using dependency = dependency_concept<std::decay_t<T>>;
    return resolve_impl<TDefault, dependency>(deps);
  }
};

struct i0 {}; struct impl0 {};