Re: [Haskell-cafe] Re: Re: nested maybes

2007-02-07 Thread Mikael Johansson
On Wed, 7 Feb 2007, Benjamin Franksen wrote: Udo Stenzel wrote: Benjamin Franksen wrote: Udo Stenzel wrote: Sure, you're right, everything flowing in the same direction is usually nicer, and in central Europe, that order is from the left to the right. What a shame that the Haskell gods chose

Re: [Haskell-cafe] Re: Re: nested maybes

2007-02-07 Thread Dan Weston
A way to categorify elements of objects in a cartesian closed category (such as that that sufficiently restricted Haskell takes place in) are to view entities of type A as maps () - A.Mikael Johansson wrote: This rather inconveniently clashes with the fact that A and () - A are two distinct

Re: [Haskell-cafe] Re: Re: nested maybes

2007-02-07 Thread Mikael Johansson
On Wed, 7 Feb 2007, Dan Weston wrote: A way to categorify elements of objects in a cartesian closed category (such as that that sufficiently restricted Haskell takes place in) are to view entities of type A as maps () - A.Mikael Johansson wrote: This rather inconveniently clashes with the

Re: [Haskell-cafe] Re: Re: nested maybes

2007-02-07 Thread Yitzchak Gale
Mikael Johansson wrote: A way to categorify elements of objects in a cartesian closed category (such as that that sufficiently restricted Haskell takes place in) are to view entities of type A as maps () - A. Dan Weston wrote: This rather inconveniently clashes with the fact that A and () -

[Haskell-cafe] Re: Re: nested maybes

2007-02-06 Thread Benjamin Franksen
Udo Stenzel wrote: Benjamin Franksen wrote: Udo Stenzel wrote: Sure, you're right, everything flowing in the same direction is usually nicer, and in central Europe, that order is from the left to the right. What a shame that the Haskell gods chose to give the arguments to (.) and ($) the