On Sat, Oct 1, 2016 at 12:24 AM, <agniva.quicksil...@gmail.com> wrote: > > I am using a variable to track the no. of bytes written to a file so far. > Now the fmt.Fprint command returns the bytes written as int. But I am > thinking of storing the value as a uint64 just to give it some extra space. > Therefore, I have to do a bytesWritten += uint64(n) to add to the variable. > > This code is in the hot path of my application. I was just wondering what is > the performance hit of the casting and whether there is any better way to > achieve this ?
Converting from int to uint64 is very cheap. In fact, on many processors, the performance cost is exactly zero. Don't worry about it. 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.
