{"ast_node_type":"other","tokens":[{"end":114,"kind":"keyword","start":0,"text":"///"}]}
/// If we do everything in one pass, we will move `X` to the first `b`, then we see that the second field of tuple
/// ```
/// doesn't match and we should move the `X` to the second `b` (which here is the same thing, but doesn't need to be) and