Merge pull request #71 from sorairolake/doc-auto-cfg

chore(doc): Support `doc_auto_cfg` for docs.rs

src/lib.rs

@@ -26,6 +26,7 @@
 //! ```
 
 #![cfg_attr(feature = "bench", feature(test))] // Unstable libraries
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #![warn(clippy::pedantic)]
 #![allow(
     clippy::must_use_candidate, // This is just annoying.