Small Buffer Optimization for string and friends

[Andrei Alexandrescu]

On 4/8/12 9:59 AM, Michel Fortin wrote:
> But as soon as you take a pointer to that string, you break the
> immutability guaranty:
>
> immutable(char)[] s = "abcd";
> immutable(char)* p = s.ptr;
> s = "defg"; // assigns to where?

Taking .ptr will engender a copy. A small regression will be that 
address of individual chars cannot be taken.

Andrei