using any instead of every in map function may make the run a bit faster
using any instead of every in map function may make the run a bit faster

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