{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"f.debug_struct(\"InferenceTable\").field(\"num_vars\","}]}
        f.debug_struct("InferenceTable").field("num_vars", &self.type_variable_table.len()).finish()
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    }