Static constexpr of class inside class link problems

Question

I\'m trying to create static constexprs defined inside the class. I know about this question: static constexpr member of same type as class being defined, and metho

Answer 1

Move the

constexpr foo foo::a = foo(1), foo::b = foo(2), foo::c = foo(1);

line to a .cc file. That line defines the variables. A variable can be declared as many times as you like, but only defined once across your entire binary.