usestd::path::PathBuf;usecrate::mapping::MapKey;usesuper::MappingTree;implMappingTree{pubfnto_lf_mappings(self,home_path:PathBuf)->String{self.iter(true).map(|(key,value)|{format!("map g{} cd \"{}\"\n",MapKey::display(&key),home_path.join(&value).display())}).collect()}}