C++ 在向量中的向量上迭代
我试图迭代这个向量,以确定我拥有的一个检查向量中名称的函数是否有效C++ 在向量中的向量上迭代,c++,loops,vector,C++,Loops,Vector,我试图迭代这个向量,以确定我拥有的一个检查向量中名称的函数是否有效 typedef struct device_t { string id; vector<string> capabilities; } Device; vector<Device> devices = { { .id = "Television", .capabilities = { "audio", "channel" } }, { .id
typedef struct device_t
{
string id;
vector<string> capabilities;
} Device;
vector<Device> devices = {
{ .id = "Television", .capabilities = { "audio", "channel" } },
{ .id = "Smart thermostat", .capabilities = { "temperature" } },
{ .id = "Stereo system", .capabilities = { "audio", "music" } },
{ .id = "Kitchen sink", .capabilities = { } },
{ .id = "Paper shredder", .capabilities = { "shredding" } }
};
vector<Device>::iterator it;
for (it = devicecheck.begin(); it != devicecheck.end(); it++) {
std::cout<< *it;
}
typedef结构设备
{
字符串id;
媒介能力;
}装置;
矢量设备={
{.id=“TV”,.capabilities={“音频”,“频道”},
{.id=“智能恒温器”,.capabilities={“温度”},
{.id=“立体声系统”,.capabilities={“音频”、“音乐”},
{.id=“厨房水槽”,.capabilities={},
{.id=“碎纸机”,.capabilities={“碎纸机”}
};
向量::迭代器;
for(it=devicecheck.begin();it!=devicecheck.end();it++){
std::coutit->capabilities
是当前迭代器it
指向的设备的std::vector capabilities
for (it = devicecheck.begin(); it != devicecheck.end(); it++) {
for (auto it2 = it->capabilities.begin(); it2 != it->capabilities.end(); it2++)
{
std::cout << *it2 << " ";
}
}
for(it=devicecheck.begin();it!=devicecheck.end();it++){
对于(自动it2=it->capabilities.begin();it2!=it->capabilities.end();it2++)
{
std::coutit->capabilities
是当前迭代器it
指向的设备的std::vector capabilities
for (it = devicecheck.begin(); it != devicecheck.end(); it++) {
for (auto it2 = it->capabilities.begin(); it2 != it->capabilities.end(); it2++)
{
std::cout << *it2 << " ";
}
}
for(it=devicecheck.begin();it!=devicecheck.end();it++){
对于(自动it2=it->capabilities.begin();it2!=it->capabilities.end();it2++)
{
标准::cout