vector::emplace_back

Adds an element constructed in place to the end of the vector.

template <class... Types>
    void emplace_back(
        Types&&... _Args);

Parameters

Parameter

Description

_Args

Constructor arguments. The function infers which constructor overload to invoke based on the arguments provided.

Example

#include <vector>
struct obj
{
   obj(int, double) {}
};

int main()
{
   std::vector<obj> v;
   v.emplace_back(1, 3.14); // obj in created in place in the vector
}

Requirements

Header: <vector>

Namespace: std

See Also

Reference

vector Class

Standard Template Library