Hello,
I am interested in the argument to Done, namely, leftover data. More
specifically, when implementing a conduit/sink, what should the
conduit specify for the (Maybe i) argument to Done in the following
scenarios (Please note that these scenarios only make sense if the
type of 'i' is
Hello!
Yes, classes of that variety exist in a few packages. This is a
particularly good treatment of it:
http://hackage.haskell.org/package/keys
Here are some classes from a very WIP implementation of a few
Commutative Replicated Data Types:
The Indexable class is declared as
class Lookup f = Indexable f where index :: f a - Key f - a
Why f must be instance of Lookup?
2012/4/12 Michael Sloan mgsl...@gmail.com
Hello!
Yes, classes of that variety exist in a few packages. This is a
particularly good treatment of it:
Hi Dan,
I am the maintainer of wxHaskell, but please don't let that worry you, as
I'm actually not going to go on and recommend wxHaskell as an Open Source
project for a relative beginner - it is architecturally complex, and you
need to know as much C++ as you do Haskell. You might choose to
I think this is the result of a bit of a dilemma:
1) We want to express the fact that any Indexable thing also has a
straightforward definition for lookup.
2) Not all things supporting lookup support index, hence the direction
of the class hierarchy.
This is an ugly part of the default methods
I wrote a parsec parser that does symbols lookups during the parsing process
(ParsecT String Store IO a). Now I'd like to write a pretty printer that does
the reverse. Unfortunately there doesn't appear to be a transformer version of
Text.PrettyPrint.HughesPJ. Can anyone suggest a way to do
Agreed. The original note confuses programs (syntax) with functions
(semantics). -- Conal
On Thu, Apr 5, 2012 at 8:52 AM, Dan Doel dan.d...@gmail.com wrote:
On Thu, Apr 5, 2012 at 10:14 AM, Grigory Sarnitskiy sargrig...@ya.ru
wrote:
First, what are 'functions' we are interested at? It can't
Hi Warren,
On Thu, Apr 12, 2012 at 6:31 PM, Warren Harris warrensomeb...@gmail.com wrote:
I wrote a parsec parser that does symbols lookups during the parsing process
(ParsecT String Store IO a). Now I'd like to write a pretty printer that does
the reverse. Unfortunately there doesn't appear
On Thu, Apr 12, 2012 at 6:22 PM, Antoine Latter aslat...@gmail.com wrote:
Hi Warren,
On Thu, Apr 12, 2012 at 6:31 PM, Warren Harris warrensomeb...@gmail.com
wrote:
I wrote a parsec parser that does symbols lookups during the parsing process
(ParsecT String Store IO a). Now I'd like to
Antoine,
Thanks for the suggestions. No sooner did I send my message than I came to the
same conclusion of creating a monadic version of the combinators to simplify
the migration. It actually worked out fairly well -- most of the code ported
over to the monadic version unaltered. The only
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