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-rw-r--r--src/liballoc/vec.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index 26a7812f58e..4f6b7870e2e 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -4,6 +4,8 @@
 //! Vectors have `O(1)` indexing, amortized `O(1)` push (to the end) and
 //! `O(1)` pop (from the end).
 //!
+//! Vectors ensure they never allocate more than `isize::MAX` bytes.
+//!
 //! # Examples
 //!
 //! You can explicitly create a [`Vec<T>`] with [`new`]: