On Monday, 19 January 2015 at 11:49:29 UTC, Per Nordlöw wrote: > What's the name of `bitsNeeded` (binary Power) in Phobos? core.bitop.bsr For details see: http://forum.dlang.org/thread/okonqhnxzqlqtxijxsfg@forum.dlang.org#post-kscrsodwmslgveptrxmx:40forum.dlang.org