how i replace an element?

[dkaip]

Hello all.
I have iterator it from a wstring vector, and i whant to replace the element in it

vector<wstring> a;
wstring b(L"a new element");
.......
// i have iterator it to some elemement and i must replace it whith b
// how?

Thank's
Jim

[Denis]

vector<wstring> a;
wstring b(L"a new element");
std::swap(*it, b);

[dkaip]

Thank's very mutch
Jim