Make `as_directed_to` non-public

...as the bindings generation does not currently have the ability
to map a reference to a `NodeId` inside a tuple.

diff --git a/lightning/src/routing/network_graph.rs b/lightning/src/routing/network_graph.rs
index 5a84f35c28dd4f1990ef0eda4611c53a139cb615..c1fb3d0097a2c73afc9855ee75ba06ee3f074957 100644 (file)
--- a/lightning/src/routing/network_graph.rs
+++ b/lightning/src/routing/network_graph.rs
@@ -662,7 +662,7 @@ pub struct ChannelInfo {
 impl ChannelInfo {
        /// Returns a [`DirectedChannelInfo`] for the channel directed to the given `target` from a
        /// returned `source`, or `None` if `target` is not one of the channel's counterparties.
-       pub fn as_directed_to(&self, target: &NodeId) -> Option<(DirectedChannelInfo, &NodeId)> {
+       pub(crate) fn as_directed_to(&self, target: &NodeId) -> Option<(DirectedChannelInfo, &NodeId)> {
                let (direction, source) = {
                        if target == &self.node_one {
                                (self.two_to_one.as_ref(), &self.node_two)