Also see caveats discussed here https://groups.google.com/d/topic/golan g-nuts/sKQtvluD_So/discussion
On Tue, 2018-08-28 at 17:00 +0000, 'Borman, Paul' via golang-nuts wrote: > You are only overwriting the pointer to the string (a string is > essentially a pointer and a length). If you want to use memory and > then zero it out, use a byte slice instead and be careful to not call > append where append might allocate new memory. Take a look at https: > //play.golang.org/p/GkrKRSvkoRJ. > > -Paul > > On Aug 28, 2018, at 11:45 AM, Jay Sharma <jaysharma...@gmail.com<mail > to:jaysharma...@gmail.com>> wrote: > > @Jan, The example you shown it is copying a string to new variable. > but my question was related to same variable. > > I want to know if I have variable : > > x := "testsring" > > Now it overwrite the content of same variable x to some other value: > x = "new1string" > > Will it overwrite the same memory or it will create some copy ? > > @Jake Montgomery, > > It is about security. I have some keys and I want to delete the > content of key, when no longer required. Here my API is expecting a > string key. > > > On Tuesday, August 28, 2018 at 8:25:27 PM UTC+5:30, Jay Sharma wrote: > Hi All, > > I went through documentation and many post. Every where it is > specified strings are immutable. > > I have some string : > > x := "teststring" > > > I want to wipe out/overwrite the content of this string x from > disk/memory. > > As per me the simplest way to do this: > > x = "" > > > or If I want to overwrite it with some new content, I can do this: > [Here length of new string is equal to length of old string] > > x = "new1string" > > > As I am overwriting the content with new content, Is it inplace > replacement [same memory is being updated] or a new copy will be > created with new content and old content will be there in the memory > ? > > > > -- > 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<mailto:gola > ng-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.
