method calls and hash/array access on Nil gives Nil.

src/core/Nil.pm

@@ -6,6 +6,24 @@ my class Nil is Cool { # declared in BOOTSTRAP
     method reify($n?) { () }
     method gist() { 'Nil' }
     multi method Str() { '' }
-}
 
+    method at_pos($pos) {
+        return self
+    }
+    method at_key($pos) {
+        return self
+    }
+    method bind_pos($pos, $bind) {
+        die "Attempted to bind_pos to Nil.";
+    }
+    method bind_key($pos, $bind) {
+        die "Attempted to bind_key to Nil.";
+    }
+}
 
+Nil.^add_fallback(
+    -> $, $name { True },
+    -> $, $name {
+        anon sub (|) { Nil }
+    }
+);