How to use sprintf

[Steven Schveighoffer]

On Mon, 25 Apr 2011 12:47:20 -0400, Daniel Gibson <metalcaedes at gmail.com>  
wrote:

> Am 25.04.2011 17:36, schrieb Steven Schveighoffer:
>> On Mon, 25 Apr 2011 11:26:57 -0400, Vladimir Panteleev
>> <vladimir at thecybershadow.net> wrote:
>>
>>> On Mon, 25 Apr 2011 18:21:16 +0300, Robert Clipsham
>>> <robert at octarineparrot.com> wrote:
>>>
>>>> On 25/04/2011 15:56, Vladimir Panteleev wrote:
>>>>> On Mon, 25 Apr 2011 17:19:12 +0300, Steven Schveighoffer
>>>>> <schveiguy at yahoo.com> wrote:
>>>>>
>>>>>> The problem the OP has is he is casting buffer to a char *. He  
>>>>>> should
>>>>>> just use buffer.ptr.
>>>>>
>>>>> Casting a string to char* is exactly the same as using the .ptr
>>>>> property, as far as generated code is concerned.
>>>>
>>>> Not when a string is defined internally as struct { size_t length;
>>>> immutable(char)* ptr; }. Casting to char* is a pointer to the start
>>>> of the length, not the pointer.
>>>
>>> Try it.
>>>
>>
>> I thought that "feature" was removed from D2?  Just tested it, and it's
>> definitely not removed yet.  But it will be :)
>>
>> -Steve
>
> I don't think it's a good idea to remove it - that would probably
> (silently) break a lot of code.
> As I see it there are two possibilities to remove it:
> 1. completely forbid casting an array to a pointer (even to get the
> address of the struct) - I don't think this is desirable?

The address of the struct is &arr.  There is no conflict here, and I  
believe this is the solution that will be implemented.

I thought the compiler disabled this "feature" a while ago, I know that  
Don went through and removed all the casts that were in the runtime.

-Steve