Here’s a small example, which, when compiled, gives an error. Why?
{-# LANGUAGE FlexibleInstances, ImpredicativeTypes,
TemplateHaskell #-}
import Control.Lens
class Item a where
name :: a - String
instance Item (String, Int) where
name = fst
Henning Thielemann lemming at henning-thielemann.de writes:
.. package set-cover for solving exact set cover problems.
http://hackage.haskell.org/package/set-cover
It's hard to evaluate whether one could use the library
because there's essentially no visible documentation.
E.g., what does
Hi all,
I'm working on a FLTK [1] GUI binding [2]. The attraction of FLTK is that
it is portable across many platforms, meaning it is easy to:
1. provide a binary for your application that works without installing
anything else. eg. no need to install X on Mac. Just double-click!
2. develop on
You can't write that lens by hand, so it isn't surprising that the template
haskell can't generate it either. =)
ImpredicativeTypes don't work all that well.
-Edward
On Sun, Sep 8, 2013 at 9:49 AM, Artyom Kazak y...@artyom.me wrote:
Here’s a small example, which, when compiled, gives an
-- unix-bytestring 0.3.7
The unix-bytestring package offers a full selection of Unix/Posix-specific
functions for reading and writing ByteStrings to Fds.
--
On 9/09/2013 7:09 AM, aditya siram wrote:
Hi all,
I'm working on a FLTK [1] GUI binding [2]. The attraction of FLTK is that
there is an existing binding on hackage:
hs-fltk library: Binding to GUI library FLTK
which I understand is quite serviceable. Perhaps effort could be
directed on