patch applied (haskell-prime-status): add ""Make $ left
associative, like application"
John Meacham
john at repetae.net
Wed Apr 23 19:53:14 EDT 2008
On Wed, Apr 23, 2008 at 09:52:11AM -0700, Simon Marlow wrote:
> The problem with this is that
>
> f !x y
>
> would associate differently in an expression than it does on the left hand
> side of an equation, where ! is the prefix bang-pattern operator. To make
> this consistent we'd have to make ! a prefix operator in expressions, or
> give it the same precedence as function application; both mean a new
> extension.
Hmm.. that is another possible solution to the ~ ! - thing, have ~ and !
be prefix operators in general. with ~ meaning 'negate' in expressions.
then parsing is the same everywhere.
John
--
John Meacham - ⑆repetae.net⑆john⑈
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