Re: GC-proof resource classes

[skoppe via Digitalmars-d]

On Saturday, 29 August 2015 at 13:14:26 UTC, ponce wrote:
class MyResource
{
    void* handle;
    this()
    {
        handle = create_handle();
    }

    ~this()
    {
        if (handle != null) // must support repeated calls for 
the case (called by .destroy + called by GC later)
        {
            ensureNotInGC("MyResource");
            free_handle(handle);
        }
    }
}

I don't think it is a good idea to call create_handle() in the 
constructor. Why not just pass a handle into the Resource?