On Wednesday 27 May 2009 06:47:23 Yu Feng wrote:
> > I read about HashTable<>.full, but this won't help in my case, since I
> > can't seem to access the respective free function from Vala.
>
> One workaround is to declare the corresponding free function generated
> by vala as an external static member of the compact class.
Right, while being cumbersome, this seems to work:
[Compact]
public class Foo
{
public Foo()
{
message( "foo created" );
}
~Foo()
{
message( "foo destructed" );
}
[CCode (cname = "foo_free")]
public extern void free();
}
...
foos = new HashTable<string,Foo>.full(str_hash, str_equal, g_free, Foo.free);
> > What can i do? Is Gee handling this better?
>
> Yes.
Not quite -- at least not with compact classes:
x.vala:24.28-24.30: error: duplicating Foo instance, use unowned variable or
explicitly invoke copy method
foos = new HashMap<string,Foo>( str_hash, str_equal );
^^^
Using a weak Foo here gets it to compile, but defeats the purpose as the
instance would get unref'd right after it gets out of scope.
:M:
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