On Sun, Oct 30, 2022, 6:38 PM eric...@arm.com <eric.f...@arm.com> wrote:
> > That appears to be the primary limit. That including a composite literal > initializer that exceeds that limit, causing a more ambiguous error, > > seems like a related, but secondary, issue. > > Yes, this seems to be a related question, see > https://github.com/golang/go/issues/9862. If we do not allow static data > larger than 2G, then the description of the array in the spec may need to > be slightly modified? > That would be an implementation restriction for a particular implementation, not a language change. We could add it to the spec. Though I think it's reasonably clear that no implementation will be able to support a very large array even if the language permits it, and that the precise definition of "very large" is implementation dependent. Ian 在2022年10月29日星期六 UTC+8 17:37:32<tapi...@gmail.com> 写道： > >> On Saturday, October 29, 2022 at 3:52:16 PM UTC+8 >> axel.wa...@googlemail.com wrote: >> >>> You might want to check out the order of messages as seen by google >>> groups: https://groups.google.com/g/golang-nuts/c/mw5f2kyEjpA >>> Either your Message was delivered to groups delayed, or Kurtis message >>> was delivered delayed to you. >>> >> >> I don't think the order matters at all here. ;) >> >> >>> >>> On Sat, Oct 29, 2022 at 9:44 AM T L <tapi...@gmail.com> wrote: >>> >>>> >>>> >>>> On Sat, Oct 29, 2022 at 12:11 PM Kurtis Rader <kra...@skepticism.us> >>>> wrote: >>>> >>>> Did you not see my reply pointing out the same thing? That is, given a >>>> particular platform and executable format the limit is likely to be much >>>> less than math.MaxInt. Alternatively, was my reply not clear about the >>>> practical versus theoretical limit of the size of an array? Which is not to >>>> say that your reply is invalid. I'm just curious how you view your reply as >>>> being more clear than mine. :-) >>>> >>>> >>>>> On Fri, Oct 28, 2022 at 8:57 PM tapi...@gmail.com <tapi...@gmail.com> >>>>> wrote: >>>>> >>>>>> The max array length is math.MaxInt. "[math.MaxInt]struct{}" is valid, >>>>>> though the practical size of non-zero-size array is hard limited in >>>>>> some way. >>>>>> >>>>>> On Friday, October 28, 2022 at 9:43:16 AM UTC+8 eric...@arm.com >>>>>> wrote: >>>>>> >>>>>>> The spec says that " The length is part of the array's type; it must >>>>>>> evaluate to a non-negative constant >>>>>>> <https://go.dev/ref/spec#Constants> representable >>>>>>> <https://go.dev/ref/spec#Representability> by a value of >>>>>>> type int. ", so on a 64-bit environment, I assume that the maximum array >>>>>>> length should be math.MaxInt64, am I right ? But the following code >>>>>>> doesn't >>>>>>> compile: >>>>>>> >>>>>>> package main >>>>>>> var x = [1<<34]byte{1<<23: 23, 1<<24: 24, 1<<33:33} >>>>>>> >>>>>> -- >>>>>> 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...@googlegroups.com. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/golang-nuts/df18462d-4ec1-4287-ad71-ef4aa0d85a5dn%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/golang-nuts/df18462d-4ec1-4287-ad71-ef4aa0d85a5dn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> >>>>> >>>>> -- >>>>> Kurtis Rader >>>>> Caretaker of the exceptional canines Junior and Hank >>>>> >>>> -- >>>> 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...@googlegroups.com. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/golang-nuts/CAHbs%3DNbmgsUet1GW4AbbBeOQ9xeUZd92ybb28L-m1O8-Ze3CtQ%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/golang-nuts/CAHbs%3DNbmgsUet1GW4AbbBeOQ9xeUZd92ybb28L-m1O8-Ze3CtQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- > 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/624b7b28-b750-40a0-9407-d3fe16d1f956n%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/624b7b28-b750-40a0-9407-d3fe16d1f956n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAOyqgcWjD-8FEK3bKHgaAPtzkujwpEQWSxeXvz_0X-rFmfSd4Q%40mail.gmail.com.
