diff --git a/environments/javascript/@orbitmines/rays/src/Ray.spec.ts b/environments/javascript/@orbitmines/rays/src/Ray.spec.ts
index ef31c3b..c0404f0 100644
--- a/environments/javascript/@orbitmines/rays/src/Ray.spec.ts
+++ b/environments/javascript/@orbitmines/rays/src/Ray.spec.ts
@@ -40,42 +40,6 @@ describe("Ray", () => {
         }))).toBe(false);
 
       });
-      test(".traverse", () => {
-        // const events: any[] = [];
-        // const ray = Ray.New();
-        //
-        // ray.debug(
-        //   (event) => {
-        //     events.push(event);
-        //   },
-        //   () => {
-        //     // // Reference
-        //     // ray.initial = none;
-        //     // // ray.self = // SOMETHING
-        //     // ray.terminal = none;
-        //     //
-        //     // // Initial
-        //     // ray.initial = none;
-        //     // ray.self = self_reference;
-        //     // ray.terminal = self_reference;
-        //     //
-        //     // // Vertex:
-        //     // ray.initial = self_reference;
-        //     // ray.self = self_reference;
-        //     // ray.terminal = self_reference;
-        //     //
-        //     // // Terminal
-        //     // ray.initial = self_reference;
-        //     // ray.self = self_reference;
-        //     // ray.terminal = none;
-        //   }
-        // );
-        //
-        // expect(events.map(event => ({
-        //   event: event.event, context: { method: { property: event.context.method.property} }
-        // }))).toBe(false);
-
-      });
     })
   })
 
diff --git a/environments/javascript/@orbitmines/rays/src/Ray.ts b/environments/javascript/@orbitmines/rays/src/Ray.ts
index b77cf1e..6221820 100644
--- a/environments/javascript/@orbitmines/rays/src/Ray.ts
+++ b/environments/javascript/@orbitmines/rays/src/Ray.ts
@@ -99,6 +99,9 @@ namespace Ray {
   export class Compiler { // Ray is Compiler
 
     /**
+     * TODO: Compiler could have things like other composed rays which tell it cares about the other (even if that's correct or not??)
+     *
+     *
      * TODO: Do I want to keep the is_equiv/is_composed pattern? Or simplify to one of the two?
      *
      *  // TODO: NEVER DIRECTLY EXECUTE, ONLY AFTER CHAIN OF FUNCS, possibly arbitrarily LAZY
@@ -373,15 +376,6 @@ namespace Ray {
         self => self
       );
 
-      /**
-       * Moving `self` to `.self` on an abstraction layer (higher). As a way of being able to describe `self`.
-       *
-       * TODO: the .reference might need two levels of abstraction higher, one to put it at the .self, another to reference that thing? (Depends a bit on the execution layer)
-       */
-      export const reference = Ray.Function.Self.Impl(
-        self => Ray.Op.Zeroary.All.none().self = self
-      );
-
       /**
        * @see "Continuations as Equivalence (can often be done in parallel - not generally)": https://orbitmines.com/papers/on-orbits-equivalence-and-inconsistencies#:~:text=Constructing%20Continuations%20%2D%20Continuations%20as%20Equivalence
        */
@@ -511,11 +505,47 @@ namespace Ray {
       export const copy = Ray.Function.Self.Impl(
         // or
         // (self) => self.self.copy.reference()
-        (self) => Ray.Op.Zeroary.All.none().self = self.self.copy()
+        (self) => none().self = self.self.copy()
 
           // TODO Relies heavily on the execution layer to copy initial/terminal etc... ; and an is_orbit check before calling copy again. - Then again on the execution layer it can lazily do this copy (by not evaluating (i.e.) traversing everywhere), or it first does this traversing directly.
       );
 
+      export const none = Ray.Op.Zeroary.All.none; // TODO FOR ALL OPS, ? automatic, or just put them here.
+
+      // TODO: These should allow as_vertex as zero-ary, but that means self = self_reference, not none. ?
+      /**
+       * Moving `self` to `.self` on an abstraction layer (higher). As a way of being able to describe `self`.
+       *
+       * TODO: the .reference might need two levels of abstraction higher, one to put it at the .self, another to reference that thing? (Depends a bit on the execution layer)
+       */
+      export const as_reference = Ray.Function.Self.Impl(
+        self => none().self = self
+      );
+
+      export const as_vertex = Ray.Function.Self.Impl((self) => {
+        const vertex = Ray.Op.Zeroary.All.none();
+        vertex.initial = self_reference;
+        vertex.terminal = self_reference;
+        vertex.self = self; // TODO: Like this, ignorant vs non-ignorant? What to do here?
+
+        return vertex;
+      });
+      export const as_terminal = Ray.Function.Self.Impl((self) => {
+        const terminal = Ray.Op.Zeroary.All.none();
+        terminal.initial = self_reference;
+        // terminal.terminal = none;
+        terminal.self = self;
+
+        return terminal;
+      });
+      export const as_initial = Ray.Function.Self.Impl((self) => {
+        const initial = Ray.Op.Zeroary.All.none();
+        // initial.initial = none;
+        initial.terminal = self_reference;
+        initial.self = self;
+
+        return initial;
+      });
 
     }
   }