Why I can't I initialize non-const static
member or static
array in a class?
class A
{
static const int a = 3;
static int b = 3;
static const int c[2] = { 1, 2 };
static int d[2] = { 1, 2 };
};
int main()
{
A a;
return 0;
}
the compiler issues following errors:
g++ main.cpp
main.cpp:4:17: error: ISO C++ forbids in-class initialization of non-const static member ‘b’
main.cpp:5:26: error: a brace-enclosed initializer is not allowed here before ‘{’ token
main.cpp:5:33: error: invalid in-class initialization of static data member of non-integral type ‘const int [2]’
main.cpp:6:20: error: a brace-enclosed initializer is not allowed here before ‘{’ token
main.cpp:6:27: error: invalid in-class initialization of static data member of non-integral type ‘int [2]’
I have two questions:
- Why I can't I initialize
static
data members in class? - Why I can't I initialize
static
arrays in class, even theconst
array?