chain/item: Make some function public

* chain/src/item/mod.rs: Some function and enum are needed across
  crates.

1 files changed, 6 insertions, 2 deletions

diff --git a/chain/src/item/mod.rs b/chain/src/item/mod.rs
index d2c3127..ed41c61 100644
--- a/chain/src/item/mod.rs
+++ b/chain/src/item/mod.rs
@@ -89,10 +89,13 @@ impl PaVi {
 /// An internal type that indicates the status of a node as either a
 /// packed, cloned, or plain node.
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Default)]
-enum ForestLabelType {
+pub enum ForestLabelType {
+    /// A packed node
     Packed,
+    /// A plain node
     #[default]
     Plain,
+    /// A cloned node
     Cloned(usize),
 }
 
@@ -144,7 +147,8 @@ impl std::fmt::Display for ForestLabelError {
 impl std::error::Error for ForestLabelError {}
 
 impl<T: GraphLabel> ForestLabel<T> {
-    fn new(label: T, status: ForestLabelType) -> Self {
+    /// Construct a new label with the inner `label` and `status`.
+    pub fn new(label: T, status: ForestLabelType) -> Self {
         Self { label, status }
     }