Sending Tid in a struct

[Christian Köstlin via Digitalmars-d-learn]

On 03/03/2012 18:35, Timon Gehr wrote:
> On 03/03/2012 12:09 PM, Nicolas Silva wrote:
>> Hi,
>>
>> I'm trying to send structs using std.concurrency. the struct contains
>> a Tid (the id of the sender) so that the receiver can send an answer.
>>
>> say:
>>
>> struct Foo
>> {
>>    Tid tid;
>>    string str;
>> }
>>
>> // ...
>>
>> Foo f = {
>>    tid: thisTid,
>>    str: "hello!"
>> };
>> std.concurrency.send(someThread, f);
>> // /usr/include/d/dmd/phobos/std/concurrency.d(465): Error: static
>> assert  "Aliases to mutable thread-local data not allowed."
>> // hello.d(15):        instantiated from here: send!(Foo)
>>
>> However, I can send a Tid if I pass it directly as a parameter of the
>> send function instead of passing it within a struct.
>>
>> Is this a bug ? It looks like so to me but I guess I could have missed
>> something.
>>
>> thanks in advance,
>>
>> Nicolas
> 
> Yes, this seems to be a bug.
> 
> Workaround:
> 
> struct Foo{
>     string s;
>     Tid id;
> }
> 
> void foo(){
>     Foo foo;
>     receive((Tuple!(string,"s",Tid,"id") bar){foo=Foo(bar.s,bar.id);});
> }
> 
> void main(){
>     auto id = spawn(&foo);
>     id.send("string",id);
>     ...
> }
I had a similar problem with this an it seems this is still a bug with
dmd 2.072.

best regards,
christian