我正在尝试将一个`vector`转换为一个`vector`。使用`std::transform`函数,我使用了`std::to_string`将`int`转换为`string`,但是我一直收到错误提示。以下是我的代码:
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
int main(){
std::vector<int> v_int;
std::vector<std::string> v_str;
for(int i = 0;i<5;++i)
v_int.push_back(i);
v_str.resize(v_int.size());
std::transform(v_int.begin(),v_int.end(),v_str.begin(),std::to_string);
}
但是我遇到了这个错误
no matching function for call to 'transform'
std::transform(v_int.begin(),v_int.end(),v_str.begin(),std::to_string);
^~~~~~~~~~~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/algorithm:1951:1: note:
candidate template ignored: couldn't infer template argument
'_UnaryOperation'
transform(_InputIterator __first, _InputIterator __last, _OutputIterato...
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/algorithm:1961:1: note:
candidate function template not viable: requires 5 arguments, but 4 were
provided
transform(_InputIterator1 __first1, _InputIterator1 __last1, _InputItera...
int
参数并返回std::string
。由于 OP 有一个vector<int>
,所以这是我上面链接列表中相关的重载。 - Praetorian