How-to manipulate a C array with D2 vector operations?

[Denis Koroskin]

On Mon, 28 Feb 2011 19:51:28 +0300, Lars Holowko <lars.holowko at gmail.com>  
wrote:

> Hi
>
> I am trying to implement a D2 function that has this C signature (it
> gets called from a C module and I cannot change the caller):
>
> extern(C) read_into(char *buffer, size_t buf_len);
>
> I would like to use D's vector (or array-wise according to TDPL)
> operations on buffer but I cannot find a way, how I could initialize a
> (static?) D array and tell it to use buffer as its memory. Obviously I
> don't want to copy buffer in a regular D array to be able to do the
> manipulations and than having to copy everything back into buffer.
>
> Is there any way to get this accomplished?
>
>
> Thanks,
>
> Lars

Here you go:

auto arr = buffer[0..buf_len];

Now you can operate on this array however you like. E.g.

arr[] = 0; // initialize with zeros