On Tue, 2007-07-31 at 10:31 -0700, Erick Tryzelaar wrote:
> On 7/31/07, skaller <[EMAIL PROTECTED]> wrote:
> I kind of like this idea. It feels lispy. Say { ... } actually created
> a raw stack frame, where the thing it was passed to had access to all
> the internal values and variables. This raw stack frame then could be
> passed to the "class" function which breaks apart the stack frame to
> create a class. Something similar could be done with "fun"s and
> "proc"s. As a side benefit, you could just pass a raw stack frame to a
> function, and it would look almost exactly like a record.
> I've got no idea how this could be implemented and typed though.
Well, we have already:
//////////////////
#import <flx.flxh>
obj f(x:int) {
var a = x;
fun get():int=>a;
}
var r = f 1;
println$ r.get();
///////////////////
The thing is, a stack frame already is a record but the internals
are deliberately hidden: abstraction. With an object like f,
inner functions are returned in a struct. (BTW: the return type
has to be specified!)
--
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net
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