Mir Random [WIP]

[Kagamin via Digitalmars-d]

On Wednesday, 23 November 2016 at 10:57:04 UTC, Joseph Rushton 
Wakeling wrote:
> struct MyRNG
> {
>     void popFront() { /* update internal state */ }
>
>     UIntType front() @property { return /* whatever part of 
> internal state */; }
>
>     UIntType opCall()
>     {
>         this.popFront();
>         return this.front;
>     }
> }

xorshift128+ returns a temporary value computed during state 
update, so it can't efficiently separate font from popFront. Also 
this API is prone to reuse some values and discard others, call 
popFront after front.