hide docs for private `collections::btree::Recover` trait

closes #28093

diff --git a/src/libcollections/btree/mod.rs b/src/libcollections/btree/mod.rs
index a235021e6396ba7133ab321bff60fe5155c0026b..d424cb7e29d2b87f775948882953602a66fcb74e 100644 (file)
--- a/src/libcollections/btree/mod.rs
+++ b/src/libcollections/btree/mod.rs
@@ -12,6 +12,7 @@
 pub mod map;
 pub mod set;
 
+#[doc(hidden)]
 trait Recover<Q: ?Sized> {
     type Key;