2017/04
2017/05
2017/06
gosh> ,info #/product/ bag-product Sets and bags:453 bag-product! Sets and bags:454 cartesian-product Combination library:83 cartesian-product-right Combination library:84 product-ec Eager comprehensions:133
> 0.9.6からはinfoで正規表現 おお、いいですね