Starting a type casting trait

src/renderer/context_element.rs

@@ -17,6 +17,7 @@ pub trait ContextElement:
     + CompareContextElement
     + FromContextElement
     + IntoRcIce
+    + Castable
 {
 }
 
@@ -54,6 +55,10 @@ pub trait Loopable {
     fn get_loop_elements(&self) -> Vec<&dyn ContextElement>;
 }
 
+pub trait Castable {
+    fn cast_to_type<'a>(&'a self, target: &str) -> Option<IceResult<'a>>;
+}
+
 pub trait CastToAny {
     fn to_any(&self) -> &dyn Any;
 }