From a74adaa293532853aac0e58163c83a5af0711b2f Mon Sep 17 00:00:00 2001
From: janis <janis@nirgendwo.xyz>
Date: Fri, 19 Sep 2025 14:43:59 +0200
Subject: [PATCH] fix lifetimes

---
 src/lib.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 9d88149..bbc9e51 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -699,7 +699,7 @@ impl<BorrowType: marker::BorrowType, K, V> NodeRef<BorrowType, K, V> {
     }
 }
 
-impl<'a, K, V> NodeRef<marker::Mut<'a>, K, V> {
+impl<'a, K: 'a, V: 'a> NodeRef<marker::Mut<'a>, K, V> {
     pub(crate) fn grow_node(&mut self) {
         // grow the node
         let capacity = self.capacity();
@@ -1573,6 +1573,11 @@ where
             iter: None,
         }
     }
+
+    pub fn set_once(&mut self, once: T) {
+        assert!(self.once.is_none());
+        self.once = Some(once);
+    }
 }
 
 impl<K, V> Tree<K, V>
@@ -1635,7 +1640,7 @@ where
         subtree.get_mut(key_seq)
     }
 
-    pub fn insert<'a>(&'a mut self, key_seq: impl Iterator<Item = K> + 'a, val: V) -> &mut V {
+    pub fn insert<'a>(&'a mut self, key_seq: impl Iterator<Item = K> + 'a, val: V) -> &'a mut V {
         let mut subtree = self.as_subtree_mut();
         let v = subtree.insert(key_seq, val);
         v