Traditional route appears to work

Beginnings of dylib extensions, entirely untestted

orchid-extension/src/binary.rs

@@ -0,0 +1,30 @@
+use std::rc::Rc;
+
+use futures::future::LocalBoxFuture;
+use orchid_base::binary::future_to_vt;
+
+use crate::api;
+use crate::entrypoint::ExtensionBuilder;
+use crate::ext_port::ExtPort;
+
+pub type ExtCx = api::binary::ExtensionContext;
+
+struct Spawner(api::binary::Spawner);
+impl Drop for Spawner {
+	fn drop(&mut self) { (self.0.drop)(self.0.data) }
+}
+impl Spawner {
+	pub fn spawn(&self, fut: LocalBoxFuture<'static, ()>) {
+		(self.0.spawn)(self.0.data, future_to_vt(fut))
+	}
+}
+
+pub fn orchid_extension_main_body(cx: ExtCx, builder: ExtensionBuilder) {
+	let spawner = Spawner(cx.spawner);
+	builder.build(ExtPort {
+		input: Box::pin(cx.input),
+		output: Box::pin(cx.output),
+		log: Box::pin(cx.log),
+		spawn: Rc::new(move |fut| spawner.spawn(fut)),
+	});
+}