Add an example to reproduce #73

examples/bugs.ipynb

@@ -175,7 +175,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -225,7 +225,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {
     "collapsed": true
    },
@@ -261,6 +261,42 @@
     "debug.FreeOSMemory()\n",
     "runtime.GC()"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# <span style=\"color:red\">Bug</span>: functions and arguments in go statement are not bound immediately\n",
+    "The following code must output `goroutine: 0`, `goroutine: 1` and `goroutine: 2` in a random order.\n",
+    "But `lgo` shows `goroutine: 3` three times ([bug](https://github.com/yunabe/lgo/issues/73))."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "goroutine: 3\n",
+      "goroutine: 3\n",
+      "goroutine: 3\n"
+     ]
+    }
+   ],
+   "source": [
+    "import (\n",
+    "    \"fmt\"\n",
+    ")\n",
+    "\n",
+    "for i := 0; i < 3; i++ {\n",
+    "    go func(id int) {\n",
+    "        fmt.Println(\"goroutine:\", id)\n",
+    "    }(i)\n",
+    "}"
+   ]
   }
  ],
  "metadata": {