From 29ab6b73e17af465bd9d25a6b59124f62c19f9f6 Mon Sep 17 00:00:00 2001
From: Ivan Tham <pickfire@riseup.net>
Date: Fri, 5 Jun 2020 01:11:01 +0800
Subject: [PATCH] Add more assert to Vec with_capacity docs

Show assertion on len too to show them how adding new items will affect both the
length and capacity, before and after.
---
 src/liballoc/vec.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index 22d43468771..ffae3b5c789 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -343,15 +343,18 @@ impl<T> Vec<T> {
     ///
     /// // The vector contains no items, even though it has capacity for more
     /// assert_eq!(vec.len(), 0);
+    /// assert_eq!(vec.capacity(), 10);
     ///
     /// // These are all done without reallocating...
     /// for i in 0..10 {
     ///     vec.push(i);
     /// }
+    /// assert_eq!(vec.len(), 10);
     /// assert_eq!(vec.capacity(), 10);
     ///
     /// // ...but this may make the vector reallocate
     /// vec.push(11);
+    /// assert_eq!(vec.len(), 11);
     /// assert!(vec.capacity() >= 11);
     /// ```
     #[inline]