working on c37.118 forma

src/ir/mod.rs

@@ -1,6 +1,8 @@
 //use nanoid::nanoid;
 use std::borrow::Cow;
 
+use crate::grammar::Range;
+
 /* Any format will be parsed into an intermediate, json-like object.
  Where possible, zero-copying should be done (???!);
 
@@ -77,3 +79,9 @@ impl<'a> Atom<'a> {
         }
     }
 }
+
+pub struct ParsedField<'a> {
+    span: Range,
+    name: FieldTag,
+    value: Atom<'a>,
+}