On Thu, May 18, 2017 at 1:36 PM, <aurelien.rain...@gmail.com> wrote: > > I'm looking for an assembly optimized function in the bytes package to > perform the same thing than C++ std::find_first_not_of function, that is, > iterating over a slice of bytes and stopping at the first byte that is not > in the byte i'm looking for, or not in the set of bytes i'm looking for. > I know I could easily code it myself and that's what i'll do if such thing > doesn't exist in Go standard library. > > Why I need such a function is to perform byte scanning in relatively big > images for a quadtree compression library I'm coding. > > As I was happy to find the bytes.IndexXXX series of functions are highly > assembly optimized (also with SSE), I was also surprised to not find the > inverse series of functions, like bytes.IndexNotByte, bytes.IndexNotRune, > etc.
Such a thing does not exist in the Go standard library. You could use IndexFunc, but it's not assembly optimized. 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.
