From ce0e1152ad7ddd32f1c1885e42fca78ac57055c9 Mon Sep 17 00:00:00 2001
From: Alice Ryhl <alice@ryhl.io>
Date: Sat, 14 May 2022 18:55:26 +0200
Subject: [PATCH] util: display `JoinMap` on docs.rs (#4689)

---
 tokio-util/Cargo.toml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tokio-util/Cargo.toml b/tokio-util/Cargo.toml
index 992ff234a..ed6f91a34 100644
--- a/tokio-util/Cargo.toml
+++ b/tokio-util/Cargo.toml
@@ -58,4 +58,8 @@ futures-test = "0.3.5"
 
 [package.metadata.docs.rs]
 all-features = true
-rustdoc-args = ["--cfg", "docsrs"]
+# enable unstable features in the documentation
+rustdoc-args = ["--cfg", "docsrs", "--cfg", "tokio_unstable"]
+# it's necessary to _also_ pass `--cfg tokio_unstable` to rustc, or else
+# dependencies will not be enabled, and the docs build will fail.
+rustc-args = ["--cfg", "docsrs", "--cfg", "tokio_unstable"]