For security, you should use a []byte and overwrite there, and never create a string out of it (that'd induce a copy).
2018. augusztus 28., kedd 18:45:29 UTC+2 időpontban Jay Sharma a következőt írta: > > *@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. For more options, visit https://groups.google.com/d/optout.
