go FAST in debug mode

src/main.zig

@@ -122,10 +122,10 @@ fn mathTest(rand: Random, limit: i32, iteration: u32) !bool {
 
     defer {
         print("Calculating", .{});
-        for (0..3) |_| {
+        for (1..4) |_| {
             print(".", .{});
             if (comptime builtin.mode != .Debug) {
-                sleep(2 * 1000 * 1000 * 1000);
+                std.Thread.sleep(2 * 1000 * 1000 * 1000);
             }
         }
         print("\n", .{});
@@ -303,8 +303,6 @@ const tokenizeAny = mem.tokenizeAny;
 
 const process = std.process;
 
-const sleep = std.Thread.sleep;
-
 const Random = std.Random;
 const ArrayList = std.ArrayList;
 const StaticStringMap = std.static_string_map.StaticStringMap;