make tui agnostic over framework

packages/native-core/src/lib.rs

@@ -1,9 +1,12 @@
 use std::any::Any;
+use std::future::Future;
 use std::hash::BuildHasherDefault;
+use std::pin::Pin;
 
 pub use node_ref::NodeMask;
 pub use passes::AnyMapLike;
 pub use passes::{Dependancy, Pass, TypeErasedPass};
+use prelude::FromAnyValue;
 pub use real_dom::{NodeMut, NodeRef, RealDom};
 use rustc_hash::FxHasher;
 pub use tree::NodeId;
@@ -31,3 +34,11 @@ pub mod prelude {
 pub type FxDashMap<K, V> = dashmap::DashMap<K, V, BuildHasherDefault<FxHasher>>;
 pub type FxDashSet<K> = dashmap::DashSet<K, BuildHasherDefault<FxHasher>>;
 pub type SendAnyMap = anymap::Map<dyn Any + Send + Sync + 'static>;
+
+pub trait Renderer<V: FromAnyValue + Send + Sync, E> {
+    fn render(&mut self, root: NodeMut<V>);
+    fn handle_event(&mut self, node: NodeMut<V>, event: &str, value: E);
+    fn poll_async(&mut self) -> Pin<Box<dyn Future<Output = ()> + Send>> {
+        Box::pin(async {})
+    }
+}