c++ anonymous union,struct -- 匿名联合体和机构体 结构体和联合体各自的基本用法不赘述,仅说一下他们匿名时访问的情况。如果是token不同,可以直接跨层访问。例子 #include <iostream> using namespace std; struct zoo_obj{ string name; union { unsigned int property; struct{ //plant unsigned int hasLeaf...
struct node{ enum node_type type; union{ int t_int; double t_double; }; }; int main(void) { struct node t; t.type = t_int; t.t_int = 2; printf("The type(t_int:0,t_double:1) is:%d\t And the data is %d\n",t.type,t.t_int); t.type = t_double; t.t_double =...
};//定义一个联合union UPerson{charid;//1intname [2];//4*4doublescore;//8};//匿名联合structOwner{charage;doublescore;//匿名联合union {intuid;char*uname; };//匿名结构struct{intsid;char*sname; };//int age;};intmain() {//结构实例化structPerson one ={ .id='a', .name={1,2,...
};//定义一个联合union UPerson{charid;//1intname [2];//4*4doublescore;//8};//匿名联合structOwner{charage;doublescore;//匿名联合union {intuid;char*uname; };//匿名结构struct{intsid;char*sname; };//int age;};intmain() {//结构实例化structPerson one ={ .id='a', .name={1,2,...
c++ anonymous union,struct -- 匿名联合体和机构体 结构体和联合体各自的基本用法不赘述,仅说一下他们匿名时访问的情况。如果是token不同,可以直接跨层访问。例子 #include<iostream> using namespace std; struct zoo_obj{ string name; union{ unsignedintproperty; ...