about summary refs log tree commit diff
path: root/src/liballoc
diff options
context:
space:
mode:
Diffstat (limited to 'src/liballoc')
-rw-r--r--src/liballoc/vec.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index 8141851b8c9..87b2b3f7a40 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -370,6 +370,7 @@ impl<T> Vec<T> {
     ///
     /// * `ptr` needs to have been previously allocated via [`String`]/`Vec<T>`
     ///   (at least, it's highly likely to be incorrect if it wasn't).
+    /// * `ptr`'s `T` needs to have the same size and alignment as it was allocated with.
     /// * `length` needs to be less than or equal to `capacity`.
     /// * `capacity` needs to be the capacity that the pointer was allocated with.
     ///