Sorry I just now pressed "send" by mistake when the
letter was not finished yet. Please ignore my last
mail. Thanks. Following is the correct version of my
question.
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Hi, I want to create an arrow which is essentially
data MyArrow a b = MyArrow ((String, a) -> (String,
b))
i.e. there is an
On Mon, 15 Sep 2003, Yu Di wrote:
> data MyArrow a b = MyArrow ((String, a) -> (String,
> b))
>
> i.e. there is an "information" asscioated with each
> piece of data (represented by the string), and I want
> to pass it around. And often the arrow's processing
> logic will depend on the input inf