Function __action66

fn __action66(
    cx: &mut ParseCtxt<'_>,
    (_, _, _): (Location, Token, Location),
    (_, ty, _): (Location, Ty, Location),
    (_, _, _): (Location, Token, Location),
    (_, pred, _): (Location, Expr, Location),
    (_, _, _): (Location, Token, Location),
) -> TyKind