message: [crispy] adds find_if() helper
diff: @@ -19,6 +19,12 @@ namespace crispy {
  // XXX Some C++20 backports
  +template <typename Container, typename Pred>
  +auto find_if(Container && _container, Pred && _pred)
  +{
  + return std::find_if(begin(_container), end(_container), std::forward<Pred>(_pred));
  +}
  +
  template <typename Container, typename Fn>
  bool any_of(Container && _container, Fn && _fn)
  {
  