C++ Initialization

Primitives

    constexpr size_t byte = 8;
    const double pi = 3.14159;

    char c = 'a';
    float f(1.875);
    int x[5] = { 1,2,3,4,5 };
    char s[] = "this is a string";

    short int sh = c;
    long int  li = 0L;
    long long int lli = 0LL;

    double area, circuit, radius = 1.5;