On Wed, Dec 5, 2018 at 9:55 AM Michel Levieux <m.levi...@capitaldata.fr> wrote: > > Well the only thing I do in the main is : > >> fmt.Println(v) > > > Shouldn't the compiler statically type v to uint64? > I don't get the need to force type of v to uint64?
v is an untyped constant. When passed to Println, it is an int. var x uint64 var y int64 x=v // ok y=v // not ok > > Le mer. 5 déc. 2018 à 17:45, Andy Balholm <andybalh...@gmail.com> a écrit : >> >> Apparently in your code the value is being assigned to an int. But it’s too >> large for an int; it needs a uint64 to hold it. >> >> Andy >> >> On Dec 5, 2018, at 8:35 AM, Michel Levieux <m.levi...@capitaldata.fr> wrote: >> >> Hi guys, >> >> With a colleague of mine, we've run into a strange issue today. When we look >> at package math, in const.go, we can see this line : >> >>> MaxUint64 = 1<<64 - 1 >> >> >> which I assume works pretty well. But if I do the same in a test main and >> try to 'go run' it, with this line : >> >>> const v = 1 << 64 - 1 >> >> >> I get the following error : >> >>> ./testmain.go:8:13: constant 18446744073709551615 overflows int >> >> >> I think this is not a bug and we're just missing something here. Could >> anyone explain this behaviour / point me to a documentation that explains it? >> >> Thank you guys >> >> -- >> 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.
