ii := new(int) (*ii) = 3 (*ii)++ Yes, it's not exactly the same syntax. It still demonstrates that what you are suggesting creates, at best, very marginal benefit.
On Sun, Aug 20, 2017 at 8:00 AM, Tong Sun <suntong...@gmail.com> wrote: > <sigh> I did. why there are always people assuming the other party they > are talking to is just silly. <sigh> > > Anyway, this is what i got: > > var ii *int > ii = 3 > ii++ > > cannot use 3 (type int) as type *int in assignment > > invalid operation: ii++ (non-numeric type *int) > > > > On Sun, Aug 20, 2017 at 1:24 AM, Tyler Compton <xavi...@gmail.com> wrote: > >> I don't think it's immediately obvious what use cases this "int?" >> proposal delivers that aren't covered by "*int". The encoding/json package >> uses pointers to support null JSON values. >> >> As a more general point, when someone answers your question, they're >> taking time out of their day to help you. I think it's reasonable for the >> burden of proof to be put upon the asker, who is looking to others for help. >> >> On Sat, Aug 19, 2017 at 9:28 PM Tong Sun <suntong...@gmail.com> wrote: >> >>> Oh yeah? Are you sure what you are answering is what I'm asking? >>> >>> Please try to understand what people are asking before showing off >>> yourself, or post concrete example to proof that you understand correctly >>> what people are asking. >>> >>> On Sat, Aug 19, 2017 at 4:02 PM, Axel Wagner < >>> axel.wagner...@googlemail.com> wrote: >>> >>>> Go can do what you want today, just that it's spelled "*int". >>>> >>>> On Sat, Aug 19, 2017 at 6:01 PM, Tong Sun <suntong...@gmail.com> wrote: >>>> >>>>> - "int?" will be a different type than "int". I.e., we know very well >>>>> what we are sacrificing when we choose that type. >>>>> - There is a demand there, json and/or sql. Denying it won't make it >>>>> go away. >>>>> >>>>> (*Sorry to Jan, was sending to the wrong place*) >>>>> >>>>> On Sat, Aug 19, 2017 at 11:54 AM, Jan Mercl <0xj...@gmail.com> wrote: >>>>> >>>>>> On Sat, Aug 19, 2017 at 5:05 PM Tong Sun <suntong...@gmail.com> >>>>>> wrote: >>>>>> >>>>>> > Suggesting C# type syntax like "int?" so as to take nil as valid >>>>>> value. >>>>>> >>>>>> - As int is not a pointer type, what would nil int mean? >>>>>> >>>>>> - Are you willing to sacrifice extra storage for the additional isNil >>>>>> information or do you prefer that int cannot represent 2^(sizeof(int)*8) >>>>>> different values? >>>>>> >>>>>> - (xyproblem?) If you need the information like 'isValid', why a >>>>>> separate bool [field] is not enough? >>>>>> >>>>>> -- >>>>>> >>>>>> -j >>>>>> >>>>> >>>>> -- >>>>> 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. >>>>> >>>> >>>> >>> -- >>> 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. >>> >> > -- 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.
