On Sun, 2007-08-19 at 13:13 +0300, Rhythmic Fistman wrote:
> p.s. I typedefef the schannel[event_type] thing, but that doesn't seem
> to create the associated constructor (mk_mynewname()), I can use the
> new name but I still have to remember the original type, saying
> var blah = mk_schannel[event_type]();... Is there some other name I
> can do or do I just have to remember or define a new ctor along with
> the typedef?
In this code:
typedef ammo_chan = schannel[ammo_evt];
var chan = mk_schannel[ammo_evt] ();
//var chan = mk_ammo_chan(); // error
the problem is simply that mk_schannel is a function.
When you use a typename as a function like:
int("1")
Felix searches for
_ctor_int: string -> ??
This is purely a syntactic hack. You have to define that function:
fun _ctor_int:string -> string = "$1";
and as you can see the return type doesn't even have to
be an int .. :)
To be a bit more precise the compiler first looks for a function
overload set named 'int'. If it comes back with a single entry,
which is the name of a type or typedef, then it looks for
a function overload set named _ctor_int. If a function
overload set if found it proceeds with overloading, otherwise
you have an error.
SO .. we could have (should have?) defined:
fun _ctor_schannel[t]: 1 -> schannel[t] = ...
instead of mk_schannel .. however mk_schannel was defined
before the _ctor_typename thing was implemented.
--
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net
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