From 5b5649fd73755eb2d9c4473efad0a1f264e3cfd0 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Fri, 30 Jul 2021 11:25:12 +0200
Subject: [PATCH] Add missing documentation for std::char types

---
 library/core/src/char/convert.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/library/core/src/char/convert.rs b/library/core/src/char/convert.rs
index 139841368d6..4ee0310b361 100644
--- a/library/core/src/char/convert.rs
+++ b/library/core/src/char/convert.rs
@@ -218,6 +218,8 @@ fn from(i: u8) -> Self {
 }
 
 /// An error which can be returned when parsing a char.
+///
+/// This `struct` is created when using the [`char::from_str`] method.
 #[stable(feature = "char_from_str", since = "1.20.0")]
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct ParseCharError {
@@ -300,7 +302,10 @@ fn try_from(i: u32) -> Result<Self, Self::Error> {
     }
 }
 
-/// The error type returned when a conversion from u32 to char fails.
+/// The error type returned when a conversion from [`prim@u32`] to [`prim@char`] fails.
+///
+/// This `struct` is created by the [`char::try_from<u32>`](char#impl-TryFrom<u32>) method.
+/// See its documentation for more.
 #[stable(feature = "try_from", since = "1.34.0")]
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub struct CharTryFromError(());