Closed tdiprima closed 7 years ago
If <tr1/unordered_map> header, then std::tr1 namespace. If <unordered_map>, then no namespace.
<tr1/unordered_map>
std::tr1
<unordered_map>
If
<tr1/unordered_map>header, thenstd::tr1namespace. If<unordered_map>, then no namespace.