Hi,
I've been thinking a lot lately about heterogeneous and extensible data
structures for which HList certainly offers a solution.
While HList is implemented through type-level programming I wonder if I
can achieve similar results through value-level programming alone.
This is where I was
On Feb 16, 2010, at 12:14 PM, Günther Schmidt wrote:
Let's say there was some clever monad ...
someMonad = do
h1 - add twenty
h2 - add False
h3 - add 16
.
modify h2 True
and get a (twenty,(True, 16)) back. And while *in* the monad some
On Feb 16, 2010, at 12:48 PM, Alexander Solla wrote:
(Accumulator String)s are (Accumulator value)s for any value. So
you can build things like:
Sorry, I made a typo. I meant StringAccumulator Strings are
Accumulator values for any value.
Hi Alexander
Your monad looks equivalent to the Identity monad but over a much
bigger syntax. What advantages do you get from it being a monad,
rather than just a functor?
Best wishes
Stephen
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On Feb 16, 2010, at 2:11 PM, Stephen Tetley wrote:
Your monad looks equivalent to the Identity monad but over a much
bigger syntax. What advantages do you get from it being a monad,
rather than just a functor?
I replied to Stephen, but forgot to include the list. I took the
liberty of
