What's the value of a slice? What's the value of an array?
On Sunday, July 3, 2016 at 12:05:38 PM UTC+2, Florin Pățan wrote: > > If the type is *[]T then comparing memory addresses make sense to see if > both terms point to the same memory address. > If the type is []T then comparing memory addresses doesn't make sense as > I'd expect to compare values. > Finally, if the type is []*T then I'd still expect to compare values (even > if this is inconsistent with the above two rules), mainly because I'm > usually interested in the values a slice holds. > > And that's exactly why Ian and others said this is complicated to define > as different users expect different outcomes. > So rather than deal with this, in an auto-magic way, better let the users > deal with it as they see fit from case to case. > > On Sunday, July 3, 2016 at 10:53:39 AM UTC+1, Chad wrote: >> >> Which is why it should be formalized. >> >> Where is the inconsistency between slices and arrays? >> Why do people even think that a slice need to behave like an array wrt >> equality, were it introduced? >> >> A slice is not an array! >> >> >> >> >> On Sunday, July 3, 2016 at 11:36:44 AM UTC+2, as....@gmail.com wrote: >>> >>> Relaxing unformalized behavior makes little sense to me. Explaining why >>> equality is inconsistent between slices and arrays is not something I want >>> to do either. >>> >>> >>> On Sunday, July 3, 2016 at 1:40:19 AM UTC-7, Chad wrote: >>>> >>>> Rob and Robert actually wrote that this area of the spec needs more >>>> work... >>>> Otherwise, the behaviour of maps, slices and funcs cannot be fully >>>> explained. >>>> >>>> On Sunday, July 3, 2016 at 7:25:31 AM UTC+2, as....@gmail.com wrote: >>>>> >>>>> Go does not have reference types. As far as I know, the word was >>>>> purposefully removed from the spec to remove the ambiguity surrounding >>>>> the >>>>> word. >>>>> >>>>> https://groups.google.com/forum/m/#!topic/golang-dev/926npffb6lA >>>> >>>> >>>> >>>> @Martin >>>> >>>> As I've mentioned earlier, one ought to be careful about false friends >>>> from other languages. >>>> I am not sure I understand what you mean by: >>>> >>>> if the name field is changed after the call >>>> >>>> >>>> -- 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.
