From 18d7955b7d84c00467ede38baae53f4ce1fb6908 Mon Sep 17 00:00:00 2001
From: JSDurand <mmemmew@gmail.com>
Date: Fri, 20 Jan 2023 13:48:26 +0800
Subject: chain: a prototype is added.

I have an ostensibly working prototype now.

Further tests are needed to make sure that the algorithm meets the
time complexity requirement, though.
---
 forest/src/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'forest/src/lib.rs')

diff --git a/forest/src/lib.rs b/forest/src/lib.rs
index f843bc1..8c9b918 100644
--- a/forest/src/lib.rs
+++ b/forest/src/lib.rs
@@ -37,7 +37,7 @@ pub trait Forest<T: GraphLabel>: ParentsGraph + LabelGraph<T> {
         F: AsRef<Self>;
 
     /// Extend the forest by adjoining another forest at a given node.
-    fn plant<F>(&mut self, node_id: usize, fragment: F) -> Result<(), Self::Error>
+    fn plant<F>(&mut self, node_id: usize, fragment: F, planted: bool) -> Result<(), Self::Error>
     where
         F: AsRef<Self>;
 
@@ -54,3 +54,4 @@ pub trait Forest<T: GraphLabel>: ParentsGraph + LabelGraph<T> {
 }
 
 pub mod default;
+pub use default::Error;
-- 
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