book: fix indent typos (changkun#117)

changdingfang · web-flow · commit 32bdf85ebd1d · 2020-08-24T06:59:44.000+02:00
diff --git a/book/en-us/07-thread.md b/book/en-us/07-thread.md
@@ -314,6 +314,8 @@ struct A {
     int y;
     long long z;
 };
+
+int main() {
     std::atomic<A> a;
     std::cout << std::boolalpha << a.is_lock_free() << std::endl;
     return 0;
@@ -546,4 +548,4 @@ They provide an critical foundation for standardized high performance computing
 
 ## Licenses
 
-<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br />This work was written by [Ou Changkun](https://changkun.de) and licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>. The code of this repository is open sourced under the [MIT license](../../LICENSE).`
+<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br />This work was written by [Ou Changkun](https://changkun.de) and licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>. The code of this repository is open sourced under the [MIT license](../../LICENSE).`
diff --git a/book/zh-cn/04-containers.md b/book/zh-cn/04-containers.md
@@ -186,14 +186,14 @@ Key:[3] Value:[3]
 
 auto get_student(int id)
 {
-// 返回类型被推断为 std::tuple<double, char, std::string>
-
-if (id == 0)
-    return std::make_tuple(3.8, 'A', "张三");
-if (id == 1)
-    return std::make_tuple(2.9, 'C', "李四");
-if (id == 2)
-    return std::make_tuple(1.7, 'D', "王五");
+    // 返回类型被推断为 std::tuple<double, char, std::string>
+
+    if (id == 0)
+        return std::make_tuple(3.8, 'A', "张三");
+    if (id == 1)
+        return std::make_tuple(2.9, 'C', "李四");
+    if (id == 2)
+        return std::make_tuple(1.7, 'D', "王五");
     return std::make_tuple(0.0, 'D', "null");
     // 如果只写 0 会出现推断错误, 编译失败
 }
diff --git a/book/zh-cn/07-thread.md b/book/zh-cn/07-thread.md
@@ -321,6 +321,8 @@ struct A {
     int y;
     long long z;
 };
+
+int main() {
     std::atomic<A> a;
     std::cout << std::boolalpha << a.is_lock_free() << std::endl;
     return 0;
