Re: [Haskell-cafe] Space leak when returning pairs?

19 May 2006


      Dear Henning,

On May 19, 2006, at 6:16 PM, Henning Thielemann wrote:
...
On Fri, 19 May 2006, Shin-Cheng Mu wrote:
...
idX :: [XMLEvent] -> ([XMLEvent], [XMLEvent])
   idX (StartEvent a : strm) =
     let (ts, strm') = idX strm
         (us, strm'') = idX strm'
     in (StartEvent a [] : ts ++ EndEvent a : us, strm'')
let ~(ts, strm') = idX strm
    ~(us, strm'') = idX strm'
Oh, I just tried using lazy patterns for the case for StartEvent
and TextEvent. But the space behaviour remained the same. :(

sincerely,
Shin-Cheng Mu