On Monday, 13 March 2017 21:14:27 UTC, Dave Cheney wrote: > > A few clarifications, b does not point to a. a and b are variables of type > []int. The value of each slice's ptr fields point to a backing array of > some capacity. > > If you append to a, this does not change th length or cap fields of b. If > you do this enough times that ptr field of a will be updated to reflect > that it now points to a different backing array. > > Perhaps something like this could be used to determine if a and b point to > th same backing array, but as you suggested, it's probably the wrong > question. > > https://play.golang.org/p/kS4iysimIV >
Yes . except the last part - I think that pointer check is effectively a check for equivalence eg this modification - shows how that can fail https://play.golang.org/p/lb--CNeERd -- 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.
