Jake McArthur schrieb: > Henning Thielemann wrote: >> I found it especially enlightening, that one can avoid a 'force' >> function in a lazy parser by making the possibility of a parser >> failure explicit in its type. I.e. a parser that cannot fail, need no >> 'force'. (I learnt that in polyparse the 'force' function is hidden in >> 'apply': > > > I'm curious, what is the difference between using a force function and > using lazy pattern matching?
Erm, nothing? Because 'force' is implemented by lazy pattern matching. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
