Trying to create a datatype/constructor given just its constructor as a
string, something like:
mkConstr :: String -> Constr
parseData :: (Data a) => String -> a
***without knowing in advance anything about the datatype apart from the
string contents***
So, not something like:
parseData "Just
Hi
mkConstr :: String -> Constr
parseData :: (Data a) => String -> a
fromConstr, plus a bit of work to create the constructor.
http://www.haskell.org/hoogle/?q=fromConstr
Thanks
Neil
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Just noticed that all my responses have been going only to Neil, not to the
group.
Anyway, the jist of our conversation was that it's not possible to create
arbitrary datatypes/constructors from strings in Haskell. Can anyone
deny/confirm?
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hughperkins:
>
>Just noticed that all my responses have been going only to
>Neil, not to the group.
>Anyway, the jist of our conversation was that it's not
>possible to create arbitrary datatypes/constructors from
>strings in Haskell. Can anyone deny/confirm?
Entirely possib
On Sun, Jun 24, 2007 at 10:55:40PM +0200, Hugh Perkins wrote:
> Anyway, the jist of our conversation was that it's not possible to create
> arbitrary datatypes/constructors from strings in Haskell. Can anyone
> deny/confirm?
If you want a function like fromConstr, where the 'a' depends on the
inp
Hi Hugh,
2007/6/25, Donald Bruce Stewart <[EMAIL PROTECTED]>:
hughperkins:
>
>Just noticed that all my responses have been going only to
>Neil, not to the group.
>Anyway, the jist of our conversation was that it's not
>possible to create arbitrary datatypes/constructors from
>
