include "stdio.h"include "malloc.h"struct node { char* name; node* p; };// vc编译器默认二者都为NULL？int main(int argc, char* argv[]){ node *pnode;printf("%d \n",pnode);pnode=(node *)malloc(sizeof(node));printf("%d %d \n",pnode->name, pnode->p);return...
嵌套类型,为指定结构体扩充新的初始化器result+="\n"result+=sample3()// 为指定类型新增泛型的类型约束(通过 where : 约束泛型属于某个类或某个协议,通过 where == 约束泛型属于某个值类型),为指定类扩充新的初始化器result+="\n"result+=sample4()// 为指定协议扩充新...