struct and enum

Signed-off-by: ericyuanhui <ericxu890302@gmail.com>

Author: ericyuanhui

Language/C_plus/struct_enum/struct_enum.cpp

@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <atomic>
+#include <iostream>
+
+using namespace std;
+
+enum objectcacher{
+    l_objectcacher_first = 25000,
+
+    l_objectcacher_cache_ops_hit, // ops we satisfy completely from cache
+    l_objectcacher_cache_ops_miss, // ops we don't satisfy completely from cache
+
+    l_objectcacher_cache_bytes_hit, // bytes read directly from cache
+
+    l_objectcacher_cache_bytes_miss, // bytes we couldn't read directly
+
+  				   // from cache
+
+    l_objectcacher_data_read, // total bytes read out
+    l_objectcacher_data_written, // bytes written to cache
+    l_objectcacher_data_flushed, // bytes flushed to WritebackHandler
+    l_objectcacher_overwritten_in_flush, // bytes overwritten while
+  				       // flushing is in progress
+
+    l_objectcacher_write_ops_blocked, // total write ops we delayed due
+  				    // to dirty limits
+    l_objectcacher_write_bytes_blocked, // total number of write bytes
+  				      // we delayed due to dirty
+  				      // limits
+    l_objectcacher_write_time_blocked, // total time in seconds spent
+  				     // blocking a write due to dirty
+  				     // limits
+
+    l_objectcacher_last,
+};
+
+struct{
+    char *name;  //姓名
+    int num;  //学号
+    int age;  //年龄
+    char group;  //所在小组
+    float score;  //成绩
+} stu1;
+
+int main()
+{
+    atomic<int> ato_num(0);
+    cout << "ato num " << ato_num << endl;
+    atomic_int ato_int(10);
+    cout << "ato int " << ato_int << endl;
+    enum objectcacher test = l_objectcacher_data_read;
+    printf("test enum %d \n", test);
+    //给结构体成员赋值
+
+    stu1.name = "Tom";
+    stu1.num = 12;
+    stu1.age = 18;
+    stu1.group = 'A';
+    stu1.score = 136.5;
+
+    printf("%s的学号是%d，年龄是%d，在%c组，今年的成绩是%.1f！\n", stu1.name, stu1.num, stu1.age, stu1.group, stu1.score);
+    return 0;
+}