Function std.concurrency.receive

Receive a message from another thread, or block if no messages of the specified types are available. This function works by pattern matching a message against a set of delegates and executing the first match found.

If a delegate that accepts a std.variant.Variant is included as the last argument to receive, it will match any message that was not matched by an earlier delegate. If more than one argument is sent, the Variant will contain a std.typecons.Tuple of all values sent.

Prototype

void receive(T...)(
  T ops
);

Example

import std.stdio;
import std.variant;
import std.concurrency;

void spawnedFunction()
{
    receive(
        (int i) { writeln("Received an int."); },
        (float f) { writeln("Received a float."); },
        (Variant v) { writeln("Received some other type."); }
    );
}

void main()
{
     auto tid = spawn(&spawnedFunction);
     send(tid, 42);
}