On Mon, Feb 13, 2017 at 12:31 PM, Alex Flint <alex.fl...@gmail.com> wrote: > > As of go1.8, do conversions between strings and byte slices always generate > a copy?
Usually but not absolutely always. The gc compiler has an optimization for map lookups. For a map[string]T, when s is a []byte, m[string(s)] will not make a copy. I'm not aware of any other similar slice <-> string optimization in the gc compiler. There could be some that I don't know about. Ian -- 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.
