On 03/03/2014 01:44 PM, Christof Schardt wrote:> I'm evaluating D and
try to write a binary io class.
> I got stuck with strings:
>
> void rw(ref string x)
> {
> if(_isWriting)
> {
> int size = x.length;
> _f.rawWrite((&size)[0..1]);
> _f.rawWrite(x);
> }
> else
> {
> int size;
> _f.rawRead((&size)[0..1]);
>
> ... what now?
You need to have a buffer of 'size'. Not tested:
auto s = new char[size];
s = _f.rawRead(s);
x = s;
However, the last line will not compile due to difference in mutability.
So will need to do something like this:
import std.exception : assumeUnique;
x = assumeUnique(s);
> }
> }
>
> Writing is ok, but how do I read the bytes to the
> string x after having its size?
Ali
