Modify const reference data

[Adam D. Ruppe]

Easy problem in class B: data is null!

On Monday, 9 December 2013 at 02:53:01 UTC, Heinz wrote:
> class B
> {
> 	private const ubyte* data;
> 	private ubyte[] abc;
> 	
> 	this()
> 	{
> 		data = cast(const ubyte*)abc.ptr;
> 	}


Since abc isn't initialized in this constructor, abc.ptr is null. 
So data is null too.


> 	public void print()
> 	{
> 		for(size_t i = 0; i < 4; i++)
> 		{
> 			writefln("%d", data[i]);
> 		}
> 	}
> }


And since data is null, data[i] will be a memory 
err/segfault/access violation/whatever it is called.