docs deny warning

hero78119 · ChihChengLiang · commit 6b64f594f62c · 2024-02-26T18:31:06.000+08:00
diff --git a/bus-mapping/src/lib.rs b/bus-mapping/src/lib.rs
@@ -1,4 +1,6 @@
 #![doc = include_str!("../README.md")]
+// doc test attr
+#![doc(test(attr(deny(warnings))))]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 // We want to have UPPERCASE indents sometimes.
 #![allow(non_snake_case)]
