{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"//"}]}
    // pointers. This is enforced here: we only allow impls for references, raw pointers, and things
    // Later parts of the compiler rely on all DispatchFromDyn types to be ABI-compatible with raw
    // that are effectively repr(transparent) newtypes around types that already hav a