comparation

w-demo-fake.coffee

compareAsync = (x, y) ->
  sleep 10 # 暂停10毫秒
  x - y

swapAsync = (a, i, j) ->
  sleep 20 # 暂停20毫秒
  t = a[i]
  a[i] = a[j]
  a[j] = t
  paint a # 重绘数组

bubbleSortAsync = (array) ->
  for i in array
    for j in array[...i-1]
      # 异步比较元素
      r = compareAsync array[j], array[j + 1]
      # 异步交换元素
      if r > 0 then swapAsync array, j, j + 1

wind-demo.js

var compareAsync = eval(Wind.compile("async", function (x, y) {
    $await(Wind.Async.sleep(10)); // 暂停10毫秒
    return x - y; 
}));

var swapAsync = eval(Wind.compile("async", function (a, i, j) {
    $await(Wind.Async.sleep(20)); // 暂停20毫秒
    var t = a[i]; a[i] = a[j]; a[j] = t;
    paint(a); // 重绘数组
}));

var bubbleSortAsync = eval(Wind.compile("async", function (array) {
    for (var i = 0; i < array.length; i++) {
        for (var j = 0; j < array.length - i - 1; j++) {
            // 异步比较元素
            var r = $await(compareAsync(array[j], array[j + 1]));
            // 异步交换元素
            if (r > 0) $await(swapAsync(array, j, j + 1));
        }
    }
}));