shared and cryptic error messages

[Jose Armando Garcia]

It looks like the following works:

struct B {}
synchronized class A { private B b }

but this doesn't:

struct B { ~this() {} }
synchronized class A { private B b }

On Wed, Mar 30, 2011 at 4:59 PM, Jose Armando Garcia <jsancio at gmail.com> wrote:
> import std.stdio;
>
> class B
> {
>  private File file;
> }
> synchronized class A
> {
>  private File file;
> }
>
> void main()
> {
> }
>
> /usr/include/d/dmd/phobos/std/stdio.d(292): Error: destructor
> std.stdio.File.~this () is not callable using argument types ()
>
> Why am I getting this error? I suspect that synchronized is the
> problem. How do I get around this error? Does this mean that
> synchronized classes are not allowed to have as member
> unsynchronized/regular classes? Has anyone tried to write a
> multithreaded application using D? Why is the error showing up in
> std/stdio.d and not in my file? Can anyone point me to a decent
> documentation of how "shared" works? I have read chapter 13 of The D
> Programming Language and it is not sufficient for the level of
> understanding I seek.
>
> That is a lot of question. Hopefully I get answer to at least one.
>