pub fn list_nodes(&self) {
        for node in self.nodes_by_key.values() {
            println!("{}\n", node)
        }
    }
/// Utility that prints the node stored by their keyes. (Actually displays the nodes)
Utility that prints the node stored by their keyes. (Actually displays the nodes)
Utility that prints the node stored by their keyes . ( Actually displays the nodes )
pub fn list_nodes(&self) {
        for node in self.nodes_by_key.values() {
            println!("{}\n", node)
        }
    }
pub fn list_nodes ( & self ) { for node in self . nodes_by_key . values ( ) { println ! ( " \n " node ) } }
Utility that prints the node stored by their keyes.
Utility that prints the node stored by their keyes .
&self
&self