halp, i cant write a recursive iterator :3

edn/src/edn_view.rs

@@ -0,0 +1,23 @@
+use crate::*;
+use std::marker::PhantomData;
+use EdnItem::*;
+
+use EdnItem::*;
+
+/// Renders from EDN source and context.
+pub struct EdnView<'a, E: Engine + 'a, T: EdnLayout<'a, E> + 'a> {
+    _engine: PhantomData<&'a E>,
+    context: T,
+    layout:  EdnItem<String>
+    //render: Box<dyn Fn(&'a T)->Box<dyn Render<E> + Send + Sync + 'a> + Send + Sync + 'a>
+}
+
+impl<'a, E: Engine + 'a, T: EdnLayout<'a, E> + 'a> EdnView<'a, E, T> {
+    pub fn new (context: T, source: &'a str) -> Usually<Self> {
+        let layout = EdnItem::read_one(&source)?.0;
+        for symbol in layout.symbols() {
+            context.import(symbol)
+        }
+        Ok(Self { _engine: Default::default(), context, layout, })
+    }
+}