Re: [racket] missing solution 20.2.4 ex:fancy-contracts-poly

2014-09-12 Thread Daniel Bastos
On Mon, Sep 8, 2014 at 9:51 PM, Matthias Felleisen wrote: On Sep 4, 2014, at 12:54 PM, Daniel Bastos wrote: > > > A candidate for a solution. (I'm not sure I'm correct regarding the > > function project. The description says "a lists of lists" (which I > > translate to (listof ITEM)) and "a funct

Re: [racket] missing solution 20.2.4 ex:fancy-contracts-poly

2014-09-08 Thread Matthias Felleisen
On Sep 4, 2014, at 12:54 PM, Daniel Bastos wrote: > A candidate for a solution. (I'm not sure I'm correct regarding the > function project. The description says "a lists of lists" (which I > translate to (listof ITEM)) and "a function from lists to Xs", so I > wonder if the domain of this functio

[racket] missing solution 20.2.4 ex:fancy-contracts-poly

2014-09-04 Thread Daniel Bastos
A candidate for a solution. (I'm not sure I'm correct regarding the function project. The description says "a lists of lists" (which I translate to (listof ITEM)) and "a function from lists to Xs", so I wonder if the domain of this function-argument must be (listof ITEM) or it could be more general