[Haskell-cafe] Very crazy
lennart at augustsson.net
Tue Sep 25 16:21:31 EDT 2007
Text.printf only has one type. But it is a bit involved. Just use it
without worrying exactly how it works. :)
Like 's ++ printtf "%g*x%d" x i'
On 9/25/07, Andrew Coppin <andrewcoppin at btinternet.com> wrote:
> Chaddaï Fouché wrote:
> > 2007/9/25, Andrew Coppin <andrewcoppin at btinternet.com>:
> >>> printf don't always perform IO : if you ask it for a String it will
> >>> happily turn into sprintf for you, if you use it in the IO Monad, it
> >>> will indeed perform IO, but there's nothing fundamentally IO bound in
> >>> printf logic.
> >> That's even *more* impossible... o_O
> > Why ?
> How can one function have more than one type signature?
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