[Hugs-bugs] Re: fromInt

Alwyn dt015a1979 at blueyonder.co.uk
Mon Jan 24 03:30:10 EST 2005


On 24 Jan 2005, at 02:19, Mark P Jones wrote:

> I don't think you said anything about which version of Hugs
> you are using.  It might be irritating, but it shouldn't be
> too surprising that you will encounter problems if you try to
> use a recent release with a textbook that is, if I recall
> correctly, about five years old.

Well, 'fromInt' figures in Mr Pope's *Tour of the Haskell Prelude*, 
which dates, I believe from summer 2001; mention of it seems to have 
been removed from the account of Numeric library in November of the 
same year.
<http://www.haskell.org/definition/haskell98-bugs.html>

I find no evidence from the original Haskell 98 Report that 'fromInt' 
was ever part of the public interface, so this in fact appears to 
amount to a minor tidying up. Thompson's book is from 1998, before the 
report was published. If the author does indeed make use of this 
function in the book, perhaps this should be submitted to him as 
'errata'.


Alwyn



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