On Tuesday 18 November 2008 10:06:25 Richard Jones wrote:
> On Tue, Nov 18, 2008 at 10:56:18AM +0100, David Teller wrote:
> > open System.IO;;
> > open System.File;;
>
> Your biggest problem is using dot ('.') instead of underscore ('_').
> Using a dot means that the System namespace cannot be extended by
> external packages. If you use an underscore then an external package
> can extend the namespace (eg. by providing System_Newpackage)
I don't follow. Can you not use "include" to extend an existing module:
# module Array = struct
include Array
let empty = [||]
end;;
module Array :
sig
external length : 'a array -> int = "%array_length"
...
val empty : 'a array
end
--
Dr Jon Harrop, Flying Frog Consultancy Ltd.
http://www.ffconsultancy.com/?e
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