On Fri, Dec 24, 2004 at 03:14:34PM +0000, Jules Bean wrote:
> It's a data constructor, written infix. Infix constructors all begin
> with ':', I think.
Yes, but you can also use prefix, alphanumeric constructors as infix
by placing them in backticks. This can be nice sometimes:
data Expr = ...
| Expr `In` [Expr]
| Expr `And` Expr
| Expr `Or` Expr
...
case e of
e1 `In` es -> ...
Best regards,
Tomasz
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