View source code
Display the source code in std/concurrency.d from which this page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using local clone.

Function std.concurrency.receiveOnly

Receives only messages with arguments of the specified types.

receiveOnlyRet!T receiveOnly(T...)();


T Variadic list of types to be received.


The received message. If T has more than one entry, the message will be packed into a Tuple.


MessageMismatch if a message of types other than T is received, OwnerTerminated when the sending thread was terminated.


auto tid = spawn(
    assert(receiveOnly!int == 42);
send(tid, 42);


auto tid = spawn(
    assert(receiveOnly!string == "text");
send(tid, "text");


struct Record { string name; int age; }

auto tid = spawn(
    auto msg = receiveOnly!(double, Record);
    assert(msg[0] == 0.5);
    assert(msg[1].name == "Alice");
    assert(msg[1].age == 31);

send(tid, 0.5, Record("Alice", 31));


Sean Kelly, Alex Rønne Petersen, Martin Nowak


Boost License 1.0.