Threads

While Zig provides more advanced ways of writing concurrent and parallel code, std.Thread is available for making use of OS threads. Let's make use of an OS thread.

fn ticker(step: u8) void {
    while (true) {
        std.time.sleep(1 * std.time.ns_per_s);
        tick += @as(isize, step);
    }
}

var tick: isize = 0;

test "threading" {
    var thread = try std.Thread.spawn(.{}, ticker, .{@as(u8, 1)});
    _ = thread;
    try expect(tick == 0);
    std.time.sleep(3 * std.time.ns_per_s / 2);
    try expect(tick == 1);
}

Threads, however, aren't particularly useful without strategies for thread safety.