13 Dec
2013
13 Dec
'13
11:25 a.m.
I haven't looked in detail, but it looks like those two overloads were added in C++14 and need guarding with a suitable #if __cplusplus >= C++1Y_version_here
The value of that macro isn't decided for C++14 yet, so it's better to use: #if __cplusplus > 201103L