Add assert to Vec with_capacity docs

2020-06-03 01:29:02 +08:00 · 2020-06-03 01:29:02 +08:00 · 596b0c88cc
commit 596b0c88cc
parent eeaf497b2a
1 changed files with 2 additions and 0 deletions
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@ -348,9 +348,11 @@ impl<T> Vec<T> {
    /// for i in 0..10 {
    ///     vec.push(i);
    /// }
+    /// assert_eq!(vec.capacity(), 10);
    ///
    /// // ...but this may make the vector reallocate
    /// vec.push(11);
+    /// assert!(vec.capacity() >= 11);
    /// ```
    #[inline]
    #[stable(feature = "rust1", since = "1.0.0")]