[std][BTree] Update doc-comment

tinnamchoi · tinnamchoi · commit 084e6e732034 · 2025-08-20T13:52:42.000+08:00
diff --git a/library/alloc/src/collections/btree/append.rs b/library/alloc/src/collections/btree/append.rs
@@ -104,7 +104,7 @@ where
 {
     type Item = (K, V);
 
-    /// If two keys are equal, returns the key-value pair from the right source.
+    /// If two keys are equal, returns the key from the left and the value from the right.
     fn next(&mut self) -> Option<(K, V)> {
         let (a_next, b_next) = self.0.nexts(|a: &(K, V), b: &(K, V)| K::cmp(&a.0, &b.0));
         match (a_next, b_next) {

Original file line number	Diff line number	Diff line change
`@@ -104,7 +104,7 @@ where`
`104`	`104`	`{`
`105`	`105`	`type Item = (K, V);`
`106`	`106`
`107`		`- /// If two keys are equal, returns the key-value pair from the right source.`
	`107`	`+ /// If two keys are equal, returns the key from the left and the value from the right.`
`108`	`108`	`fn next(&mut self) -> Option<(K, V)> {`
`109`	`109`	`let (a_next, b_next) = self.0.nexts(\|a: &(K, V), b: &(K, V)\| K::cmp(&a.0, &b.0));`
`110`	`110`	`match (a_next, b_next) {`