8 Apr
2010
8 Apr
'10
11:34 p.m.
On 8 April 2010 14:37, Thomas Davie <tom.davie@gmail.com> wrote:
You can't write a single such function to operate on all the different types, .... [SNIP]
Hi Bob (?) I believe Oleg Kiselyov's deepset functor manages it... http://okmij.org/ftp/Haskell/typecast.html http://okmij.org/ftp/Haskell/deepest-functor.lhs PS - is it Bob or Thomas? thanks. Best wishes Stephen