Re: Mapping first element only: how to preserve vectors

2012-03-20 Thread Rasmus Svensson
On Mon, Mar 19, 2012 at 2:40 PM, Bojan wrote: > Hi! > > I'm a beginner at clojure and enjoying the learning process. While writing > my first nontrivial program, I noticed that I'm transforming only first > elements in the list, so I factored this transformation out by writing next > function: > >

Re: Mapping first element only: how to preserve vectors

2012-03-19 Thread Cedric Greevey
On Mon, Mar 19, 2012 at 9:40 AM, Bojan wrote: > Hi! > > I'm a beginner at clojure and enjoying the learning process. While writing > my first nontrivial program, I noticed that I'm transforming only first > elements in the list, so I factored this transformation out by writing next > function: > >

Mapping first element only: how to preserve vectors

2012-03-19 Thread Bojan
Hi! I'm a beginner at clojure and enjoying the learning process. While writing my first nontrivial program, I noticed that I'm transforming only first elements in the list, so I factored this transformation out by writing next function: (defn map-first [f coll] (map #(cons (f (first %)) (res