- typedef typename RemoveConst<T>::Type NCT;
- return extract<NCT>(get_var(name, get_type<NCT>()));
+ typedef typename std::remove_cv<T>::type NCT;
+ return extract<NCT>(get_var(name, get_type<NCT>(name)));
+ }
+
+ /** Finds a typed object in the collection. Returns null if the name does
+ not exist. Throws if the name exists but the object is of an incorrect
+ type. */
+ template<typename T>
+ T *find(const std::string &name) const
+ {
+ ItemMap::const_iterator i = items.find(name);
+ return (i!=items.end() ? extract<typename std::remove_cv<T>::type>(i->second) : 0);
+ }
+
+ template<typename T>
+ T *find(const std::string &name)
+ {
+ typedef typename std::remove_cv<T>::type NCT;
+ const Variant *var = find_var(name, get_type<NCT>(name));
+ return (var ? &extract<NCT>(*var) : 0);