This is shorter than both the Ruby and the Arc versions: {x set y+eval x} It's in q, a verbose version of a language called k. Applying it to a symbol/variab

This is shorter than both the Ruby and the Arc versions: {x set y+eval x} It's in q, a verbose version of a language called k. Applying it to a symbol/variable `n will give you a functional projection you can apply to any i.