Re: Implementing Pure Functions

[Walter Bright]

On 6/16/2011 5:27 AM, Kagamin wrote:

Jimmy Cao Wrote:

pure int square(int x)
{
    auto fp = cast(fp_t)&square_debug;
    return (*fp)(x); // dereference???
}

Yes, that's correct.

You mean, implementation-defined?

It's typed as pointing to a pure function. So, it's callable from a pure 
function.