You'll probably want to use encoding/binary. But which 8 of the 32 bytes are you going to use? (or really, which 63 bits?)
-Caleb On Fri, Sep 23, 2016 at 5:25 PM, JohnGB <jgbeck...@gmail.com> wrote: > I have a byte slice 32 bytes long, and I would like to use it to generate a > positive int64. Is there a standard way to do this, or do I need to write > my own function (most likely using bit shifts)? > > The backstory is that I need to generate unique (low collision likelihood) > integer IDs from email addresses. However it needs to be that every time a > given email is used to generate an int64, that it generates the same int64. > I've settled on using a SHA3 hash with a salt to get a low collision byte > slice, which I then need to generate a positive int64 from. > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.