From d85db82960db80132a10d25e0fe7dfd5f4736d0f Mon Sep 17 00:00:00 2001
From: Michael Howell <michael@notriddle.com>
Date: Tue, 8 Sep 2020 23:38:24 -0700
Subject: [PATCH 1/2] Add documentation for `impl<T> From<T> for Poll<T>`

---
 library/core/src/task/poll.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/library/core/src/task/poll.rs b/library/core/src/task/poll.rs
index 9383e7c45fa55..4e987a53b2cb2 100644
--- a/library/core/src/task/poll.rs
+++ b/library/core/src/task/poll.rs
@@ -112,6 +112,14 @@ impl<T, E> Poll<Option<Result<T, E>>> {
 
 #[stable(feature = "futures_api", since = "1.36.0")]
 impl<T> From<T> for Poll<T> {
+    /// Convert to a `Ready` variant.
+    ///
+    /// # Example
+    ///
+    /// ```
+    /// # use core::task::Poll;
+    /// assert_eq!(Poll::from(true), Poll::Ready(true));
+    /// ```
     fn from(t: T) -> Poll<T> {
         Poll::Ready(t)
     }

From 8b0d0a0cadbaaf0e7f4114e289a71981872c8587 Mon Sep 17 00:00:00 2001
From: Michael Howell <michael@notriddle.com>
Date: Wed, 9 Sep 2020 11:53:24 -0700
Subject: [PATCH 2/2] Add documentation for `impl<T> From<BinaryHeap<T>> for
 Vec<T>`

---
 library/alloc/src/collections/binary_heap.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/alloc/src/collections/binary_heap.rs b/library/alloc/src/collections/binary_heap.rs
index 40aa4d850f59d..24d17fdd880ba 100644
--- a/library/alloc/src/collections/binary_heap.rs
+++ b/library/alloc/src/collections/binary_heap.rs
@@ -1343,6 +1343,10 @@ impl<T: Ord> From<Vec<T>> for BinaryHeap<T> {
 
 #[stable(feature = "binary_heap_extras_15", since = "1.5.0")]
 impl<T> From<BinaryHeap<T>> for Vec<T> {
+    /// Converts a `BinaryHeap<T>` into a `Vec<T>`.
+    ///
+    /// This conversion requires no data movement or allocation, and has
+    /// constant time complexity.
     fn from(heap: BinaryHeap<T>) -> Vec<T> {
         heap.data
     }