Wanted: warning option for usages of unary minus
john at repetae.net
Mon May 7 23:26:40 EDT 2007
On Wed, Apr 11, 2007 at 09:05:21AM +0100, Simon Marlow wrote:
> I definitely think that -1# should be parsed as a single lexeme.
> Presumably it was easier at the time to do it the way it is, I don't
> remember exactly.
> I'd support a warning for use of prefix negation, or alternatively you
> could implement the Haskell' proposal to remove prefix negation completely
> - treat the unary minus as part of a numeric literal in the lexer only.
> This would have to be optional for now, so that we can continue to support
> Haskell 98 of course.
yes please! odd that I look forward to such a minor change in the big
scheme of things, but the current treatment of negation has annoyed me
more than any other misfeature I think.
John Meacham - ⑆repetae.net⑆john⑈
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