pub fn all_unreachable_nodes(&self) -> Vec<&Node> {
        self.unreachable_nodes()
            .iter()
            .filter_map(|id| self.all.peek(id))
            .collect()
    }
/// list all non publicly reachable nodes. These are nodes that are directly
/// connected to our nodes and that are not gossiped about.
///
/// This operation is costly and should not be used often or it will slow
/// down the other operation of the `Nodes`
list all non publicly reachable nodes. These are nodes that are directly
connected to our nodes and that are not gossiped about.

This operation is costly and should not be used often or it will slow
down the other operation of the `Nodes`
list all non publicly reachable nodes . These are nodes that are directly connected to our nodes and that are not gossiped about . This operation is costly and should not be used often or it will slow down the other operation of the ` Nodes `
pub fn all_unreachable_nodes(&self) -> Vec<&Node> {
        self.unreachable_nodes()
            .iter()
            .filter_map(|id| self.all.peek(id))
            .collect()
    }
pub fn all_unreachable_nodes ( & self ) -> Vec < & Node > { self . unreachable_nodes ( ) . iter ( ) . filter_map ( | id | self . all . peek ( id ) ) . collect ( ) }
list all non publicly reachable nodes.
list all non publicly reachable nodes .
&self