Philippe A. Bouchard wrote:
[...]
> Example:
> optional<int> i;
>
> new (i) int(17);
Ex. 1:
// Class Widget has a heavy copy constructor
optional<Widget> i;
new (i) Widget(this, ...);
Ex. 2:
// The object A is aligned like a char
struct A
{
char c_;
A() : c_('\0') {}
A(char a_c) : c_(a_c) {}
};
optional<char> array[50];
for (int i = 0; i < 50; ++ i)
{
new (array[i]) A(' ');
}
Philippe A. Bouchard
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