That is not quite true. Once is it extended beyond the current capacity you will have a new backing array and the slices will diverge.
> On Jun 26, 2020, at 8:23 AM, David Riley <fraveyd...@gmail.com> wrote: > > On Jun 25, 2020, at 8:49 PM, chandrak13...@gmail.com wrote: >> >> Essentially based on the existing capacity, the assignment of one slice >> effects other slices. These are stemming from the underlying pointer >> arithmetic and seems inconsistent. Looks like programmer needs to know the >> history of capacity before understanding the ramifications of slice >> assignments. > > You are correct, the programmer needs to read the manual. Slices are > "windows" into their underlying array, therefore assigning data into slices > tied to a given array changes the data in other arrays as well. The append() > function merely extends the slice by n and assigns into those elements, > returning the new slice header (the old one can remain unchanged, but they > will both be slices of the same array). > > Ian pointed to the canonical documentation on this: > https://blog.golang.org/slices > > Additionally, the language spec has this: > https://golang.org/ref/spec#Appending_and_copying_slices > > I do agree that it would be nicer if this were flagged a little more loudly, > since the semantics of the append() builtin can lead the early developer to > believe they are making a copy of the slice in question, but they aren't. > > > - Dave > > > -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/CA9014AE-527F-4D18-81A9-6E63FAD97B54%40gmail.com. -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/725CB0E1-4D82-41F7-9AC9-A3AD30ED1CF5%40ix.netcom.com.
