DIP60: @nogc attribute

[Peter Alexander via Digitalmars-d]

On Wednesday, 16 April 2014 at 20:29:17 UTC, bearophile wrote:
> Peter Alexander:
>
>> (I assume that nothrow isn't meant to be there?)
>
> In D nothrow functions can throw errors.

Of course, ignore me :-)


>> You could do something like this:
>>
>> void foo() @nogc
>> {
>>    static err = new Error();
>>    if (badthing)
>>    {
>>        err.setError("badthing happened");
>>        throw err;
>>    }
>> }
>
> To be mutable err also needs to be __gshared.

But then it isn't thread safe. Two threads trying to set and 
throw the same Error is a recipe for disaster.