{"ast_node_type":"other","tokens":[{"end":104,"kind":"keyword","start":0,"text":"//"}]}
            // function/closures are actually external regions to us. For example, here, 'a is not local
            // If this is a closure, coroutine, or inline-const, then the late-bound regions from the enclosing
            // to the closure c (although it is local to the fn foo):