memcpy() comparison: C, Rust, and D

[Walter Bright via Digitalmars-d]

On 1/31/2017 11:32 AM, Nordlöw wrote:
> On Tuesday, 31 January 2017 at 19:26:51 UTC, Walter Bright wrote:
>> This "as if" thing enables the designer of a function API to set the desired
>> relationships even if the implementation is doing some deviated preversion
>> with the data (i.e. a ref counted object).
>
> Why is this feature used? Optimizations? Safety?

So ref counted containers can be built.