no need to override vector? with export syntax
no need to override vector? with export syntax

dcurrie/picrin,koba-e964/picrin,ktakashi/picrin,omasanori/picrin,koba-e964/picrin,picrin-scheme/picrin,ktakashi/picrin,leavesbnw/picrin,picrin-scheme/picrin,dcurrie/picrin,ktakashi/picrin,koba-e964/picrin,omasanori/picrin,leavesbnw/picrin,leavesbnw/picrin