On Wednesday, 7 May 2014 at 20:11:13 UTC, Nick Sabalausky wrote: > HashDRBGStream!() randStream; > //aka: > // HashDRBGStream!(SHA512, "D Crypto RNG") randStream; > > The stream version isn't a range and only supports filling a > provided ubyte[] buffer. So no element type. Shouldn't that take an ubyte output range instead? David