The questions is where to initialize static const member in c++17 or newer? Please consider the following two solutions for initializing a static const member in c++:
Solution 1 (for c++14 or older):
//foo.h: #include <iostream> struct foo{ static const std::string ToBeInitialized; }; //foo.cpp #include <iostream> #include "foo.h" const std::string foo::ToBeInitialized{"with a value"}; Solution 2 (for c++17 or newer):
//foo.h: #include <iostream> struct foo{ inline static const std::string ToBeInitialized{"with a value"}; }; Currently I prefer solution 2 because it is shorter. What are the advantages and disadvanteges of using solution 1 or solution 2?
I am well aware of the fact that there are several questions dealing about static const initialization:
However non of the above questions deal with c++17 or newer explicitly.