i'm happy to see people sharing bugs and code alike!! :D El lun., 7 ene. 2019 a las 22:31, Michael Jones (<michael.jo...@gmail.com>) escribió:
> I am honored to have shared a bug with Rob Pike. > > On Mon, Jan 7, 2019 at 3:36 PM Rob Pike <r...@golang.org> wrote: > >> I think every Fortran programmer has a version of that story. Mine >> involved the number 3. >> >> -rob >> >> >> On Mon, Jan 7, 2019 at 8:01 AM Michael Jones <michael.jo...@gmail.com> >> wrote: >> >>> My hardest-to-debug ever bug was because of this. >>> >>> Because FORTRAN is pass by reference, the compiler must do something >>> special for the four in "SQRT(4.0)" -- and the PDP-10 (TOPS-10) FORTRAN >>> compiler used a global literal table for this. I had a function that >>> modified an argument, erroneously passed a literal number in, the compiler >>> housed the number (may have been a 2) in the the gkobal table, and after >>> that, all the "2" arguments in my program were invisibly changed. >>> >>> I was 16 or 17, was an explorer scout at BTL, and was quick to embrace >>> 6th edition UNIX and ed over TOPS-10 and TECO (ignoring the brilliantly >>> named SOS, "son of stopgap") >>> >>> On Sun, Jan 6, 2019 at 12:15 PM Rob Pike <r...@golang.org> wrote: >>> >>>> Fortran depends heavily on pointers for its semantics: It is a call by >>>> reference language. You just don't see them explicit in the language and >>>> you have no control over whether an argument will be modified by a >>>> procedure. >>>> >>>> -rob >>>> >>>> >>>> On Mon, Jan 7, 2019 at 5:13 AM Victor Giordano <vitucho3...@gmail.com> >>>> wrote: >>>> >>>>> i guess that a good question to start is there is a language that >>>>> doesn't relays on pointer. Fortran as someone says below, may be a good >>>>> example how things get done using values only. I programmed in COBOL in >>>>> the >>>>> universitiy and don't recall to use pointers. There aren't necessary at >>>>> all, nevertheless they provide inderection or referrals that allow to >>>>> express things more efficiently in certain scenarios. You could write an >>>>> entire program witout using pointers,i guess, that call is in the cook >>>>> chief!. >>>>> Nice topic to talk. >>>>> >>>>> >>>>> El martes, 1 de enero de 2019, 8:34:34 (UTC-3), 伊藤和也 escribió: >>>>>> >>>>>> What are the reasonable reasons to use pointers? Are pointers >>>>>> neseccary? >>>>>> >>>>> -- >>>>> 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. >>>> >>> >>> >>> -- >>> >>> *Michael T. jonesmichael.jo...@gmail.com <michael.jo...@gmail.com>* >>> >> -- > > *Michael T. jonesmichael.jo...@gmail.com <michael.jo...@gmail.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. For more options, visit https://groups.google.com/d/optout.
