Re: overloading InExpression

[Vlad Levenfeld via Digitalmars-d-learn]

On Wednesday, 2 July 2014 at 14:14:57 UTC, Dicebot wrote:

struct S
{
        int opIn_r(int key)
        {
                return key*2;
        }
}

void main()
{
        assert((42 in S.init) == 84);
}

Thanks! I wonder, why the _r and lack of documentation?