Here's an idea that (I think) is useful and backwards compatible:
fractional and negative fixity.
There have been 3 separate times where I've wanted an operator just
above 0 ($) but less than 1 (>>= or >>>), or else just below 0 (like a
superlow $$)
infix 0.5 ???
infix -1 $$
The only change would be internal to compiler, wouldn't it? Since fixity
is just syntactic sugar, there should be no semantic difficulties.
Dan
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