{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"CallableDefId::FunctionId(debug_fmt_fn).to_chalk(db),"}]}
        CallableDefId::FunctionId(debug_fmt_fn).to_chalk(db),
    let debug_fmt_fn_ptr = evaluator.vtable_map.id(TyKind::FnDef(
        Substitution::from1(Interner, c.data(Interner).ty.clone()),