add static assertions to bytestring

bytestring/src/lib.rs

@@ -2,6 +2,7 @@
 
 #![no_std]
 #![deny(rust_2018_idioms, nonstandard_style)]
+#![warn(missing_docs)]
 #![doc(html_logo_url = "https://actix.rs/img/logo.png")]
 #![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
 
@@ -217,17 +218,36 @@ mod serde {
             String::deserialize(deserializer).map(ByteString::from)
         }
     }
+
+    #[cfg(test)]
+    mod serde_impl_tests {
+        use super::*;
+
+        use serde::de::DeserializeOwned;
+        use static_assertions::assert_impl_all;
+
+        assert_impl_all!(ByteString: Serialize, DeserializeOwned);
+    }
 }
 
 #[cfg(test)]
 mod test {
     use alloc::borrow::ToOwned;
-    use core::hash::{Hash, Hasher};
+    use core::{
+        hash::{Hash, Hasher},
+        panic::{RefUnwindSafe, UnwindSafe},
+    };
 
     use ahash::AHasher;
+    use static_assertions::assert_impl_all;
 
     use super::*;
 
+    assert_impl_all!(ByteString: Send, Sync, Unpin, Sized);
+    assert_impl_all!(ByteString: UnwindSafe, RefUnwindSafe);
+    assert_impl_all!(ByteString: Clone, Default, Eq, PartialOrd, Ord);
+    assert_impl_all!(ByteString: fmt::Debug, fmt::Display);
+
     #[test]
     fn test_partial_eq() {
         let s: ByteString = ByteString::from_static("test");