import std.stdio;

/*
// test1
//import std.parallelism : defaultPoolThreads;
import std.concurrency : spawn;
import core.time : Duration, dur;
import core.thread : Thread;

import test1 : test1_spawner;
*/


/*
// test2
import std.concurrency : spawn;
import core.time : Duration, dur;
import core.thread : Thread;

import test2 : test2_spawner;
*/


/**/
// test3
//import std.parallelism : defaultPoolThreads;
import std.concurrency : spawn, send;
import core.time : Duration, dur;
import core.thread : Thread;

import test3 : test3_spawner;
/**/


void main(){
  //writeln("defaultPoolThreads = ", defaultPoolThreads()); // 19
  //defaultPoolThreads(8); // changes nothing because all threads works on 1 CPU core, not on multicores..(
  //writeln("defaultPoolThreads = ", defaultPoolThreads()); // 8
  
  //spawn(&test1_spawner); // test1 run
  //spawn(&test2_spawner); // test2 run
  spawn(&test3_spawner); // test3 run
  
  //Thread.sleep(dur!"seconds"(125));
  Thread.sleep(dur!"seconds"(30));
  
  writeln("hello here!");
}