1 files changed, 18 insertions, 0 deletions
diff --git a/src/update.rs b/src/update.rs
new file mode 100644
index 0000000..b2471da
--- /dev/null
+++ b/src/update.rs
@@ -0,0 +1,18 @@
+use crate::client::Client;
+use futures::future::BoxFuture;
+use serde_json::value::Value;
+use std::future::Future;
+
+pub trait Handler: Send + Sync + 'static {
+    fn handle_json(&self, _: Client, _: Value) -> BoxFuture<'static, ()>;
+}
+
+impl<C, F> Handler for C
+where
+    C: Send + Sync + 'static + Fn(Client, Value) -> F,
+    F: Future<Output = ()> + 'static + Send,
+{
+    fn handle_json(&self, client: Client, req: Value) -> BoxFuture<'static, ()> {
+        Box::pin((*self)(client, req))
+    }
+}