补充上次的stdc++,Token,scanner_test

README.md

@@ -228,6 +228,7 @@ a = point {x:24, y:43};
 
 
 
+
 ## 2. 实现细节
 
 ### 2.1 词法分析的符号表结构
@@ -258,7 +259,8 @@ a = point {x:24, y:43};
 | tuple   | 21   |
 | print   | 22   |
 | println | 23   |
-|         |      |
+|      
+|      |
 |         |      |
 |         |      |
 
@@ -328,5 +330,54 @@ a = point {x:24, y:43};
 | 3   | my_vector |
 | 4   | ans |
 
+### Hydrogen样例
+```Hydrogen
+
+struct Point {
+  x:i8;
+  y:i8;
+}
 
 
+[Point:105] tmp;
+fn MergeSort([Point:20] v,i8 l,i8 r) -> {
+   if l>r {
+      return ;   
+   }
+   var mid = l + r >>1;
+   MergeSort(v,l,mid);
+   MergeSort(v,mid+1,r);
+   i8 i=l,j=mid+1,k=l;
+   for ;i <= mid && j <= r;k+=1 {
+      if v[l] < v[r]
+      {
+        tmp[k] = v[l];
+        l +=1;
+      }
+      else{
+        tmp[k] = v[r];
+        r += 1;
+      }
+   }
+   for ; i<=mid; {
+    tmp[k] = tmp[i];
+    k += 1,i+=1;
+   }
+   for ; j <=r ; {
+    tmp[k] = tmp[j];
+    k +=1 , j += 1;
+   }
+   
+}
+fn main()->i8{
+   [Point:20] d;
+   [Point] d;
+  
+   for i8 i = 0;i< 20; i++ {
+      d[i] = {x:i * i,y:i};
+   }
+   MergeSort(d,d+20);
+  0 
+}
+
+```