{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"expect_ctor,"}]}
        expect_ctor,          &'hir VariantData<'hir>,  Node::Ctor(n),         n;
        expect_let_stmt,      &'hir LetStmt<'hir>,      Node::LetStmt(n),      n;
        expect_lifetime,      &'hir Lifetime,           Node::Lifetime(n),     n;