2008/10/16 Max Bolingbroke <[EMAIL PROTECTED]>:
> Just to give everyone an update, I've got word from SPJ on the issue
> of positional syntax:
>
> """
> | What were your arguments against the positional syntax?
>
> I don't have a strong feeling against -- but I do think we should
> allow non-positional syntax too; it's both consistent with type
> signatures and perhaps convenient. Another thing in favour of
> non-positional is that it works uniformly for functions, type
> constructors, data constructors, and classes.
> """
>
> I'm implementing the positional variant for now: we can debate the
> alternatives at our leisure. One particularly nice variant might be as
> follows, which combines positionality with an alternative to the
> pragma notation to yield what I think is a rather readable syntax:
>
> """
> {-@ Just "My Annotation" @-}
> f :: ...
> """
This would be easy to implement by re-using the code for Haddock
comments in the lexer.
David
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