On 1/31/07, Bulat Ziganshin <[EMAIL PROTECTED]> wrote:
i hope that now my idea is clear
Yes - you've reiterated Wadler's original design, with an automatic
creation of a type class. Erwig and Peyton-Jones, _Pattern Guards and
Transformational Patterns_
(http://research.microsoft.com/~simonpj/
Hello David,
Wednesday, January 31, 2007, 7:12:05 PM, you wrote:
>> data Coord = Coord Float Float
>> view of Coord = Polar Float Float where
>> Polar r d= Coord (r*d) (r+d)-- construction
>> Coord x y | x/=0 || y/=0 = Polar (x*y) (x+y)-- matching
> This i
