refactor: Use extended key value attributes feature instead of external doc

jhg · jhg · commit 9d8c8069a200 · 2021-04-18T21:16:10.000+02:00
See: - rust-lang/rust#83366 - rust-lang/rust#44732 - rust-lang/rust#82539
diff --git a/src/lib.rs b/src/lib.rs
@@ -1,5 +1,5 @@
-#![feature(external_doc)]
-#![doc(include = "../README.md")] // This also allow to run examples in that file.
+#![feature(extended_key_value_attributes)]
+#![doc = include_str!("../README.md")] // This also allow to run examples in that file.
 
 #![allow(unsafe_code)]
 #![warn(missing_docs)]
