On Jan 10, 2008 8:06 PM, Ketil Malde <[EMAIL PROTECTED]> wrote:
> "David Roundy" <[EMAIL PROTECTED]> writes:
>
> >> > I just want to point out that unsafePerformIO is at the core of the
> >> > (safe) bytestring library.  As SPJ et al pointed out, this is crucial
> >> > functionality, and is only unsafe if unsafely used.
>
> >> In Modula-3 modules using hacks must be explicitly marked as UNSAFE. See
> >>   http://www.cs.purdue.edu/homes/hosking/m3/reference/unsafe.html
> >>  Maybe this is also an option for Haskell?
>
> > I don't think this is a good idea.
>
> I think the point is (should be) to mark functions unsafe when they
> may be unsafe to /use/,

I think using the IO monad for this works well...


-- 
Sebastian Sylvan
+44(0)7857-300802
UIN: 44640862
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