chore: Bump ver: 0.5.0

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "map-api"
 description = "Raft state machine"
-version = "0.4.2"
+version = "0.5.0"
 authors = ["Databend Authors <opensource@datafuselabs.com>"]
 license = "Apache-2.0"
 edition = "2021"

src/map_value.rs

@@ -14,12 +14,14 @@
 
 //! Defines the value behavior of the map.
 
+use std::fmt::Debug;
+
 /// MapValue defines the behavior of a value in a map.
 ///
 /// It is `Clone` to let MapApi return an owned value.
 /// It is `Unpin` to let MapApi extract a value from pinned data, such as a stream.
 /// And it only accepts `static` value for simplicity.
-pub trait MapValue: Clone + Send + Sync + Unpin + 'static {}
+pub trait MapValue: Clone + Debug + Send + Sync + Unpin + 'static {}
 
 // Auto implement MapValue for all types that satisfy the constraints.
-impl<V> MapValue for V where V: Clone + Send + Sync + Unpin + 'static {}
+impl<V> MapValue for V where V: Clone + Debug + Send + Sync + Unpin + 'static {}