std.concurrency.receive and shared const(char)[]?

Anonymouse zorael at gmail.com
Sun Jun 28 16:39:12 UTC 2020


On Sunday, 28 June 2020 at 16:11:50 UTC, BakedPineapple wrote:
> import std.stdio;
> import std.concurrency;
>
> void main()
> {
> 	auto t = spawn((){
> 		receive((shared const(char)[] char_arr) {
> 			ownerTid.send(true);
> 		});
> 	});
> 	shared const(char)[] char_arr = "cut my code into pieces";
> 	t.send(char_arr);
> 	assert(receiveOnly!(bool) == true);
> }
>
> When I run this program, it blocks on the receive() inside the 
> spawned thread. What am I doing wrong?

Make the parameter shared(const(char))[] and it will work. I'll 
leave it to someone who knows more to explain why it behaves that 
way.


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