src/trigger.rs: Add scaffolding to deserialize a Trigger

src/trigger.rs

@@ -1,3 +1,7 @@
+use ion_rs::element::reader::ElementReader;
+use ion_rs::Reader;
+use thiserror::Error;
+
 /// Env describes a special status the operating system
 /// may be in. Some Triggers are not allowed to run in certain
 /// environments.
@@ -34,3 +38,17 @@ pub struct Trigger {
     /// Tasks that this trigger can perform.
     tasks: Vec<Task>,
 }
+
+impl TryFrom<Reader<'_>> for Trigger {
+    type Error = Error;
+
+    fn try_from(mut reader: Reader) -> Result<Self, Self::Error> {
+        for element in reader.elements() {
+            todo!()
+        }
+        todo!()
+    }
+}
+
+#[derive(Error, Debug)]
+pub enum Error {}