On Saturday, August 6, 2016 at 5:39:51 PM UTC+8, Dave Cheney wrote: > > Interfaces don't describe data, they describe behaviour. If you don't want > the behaviour to be changeable, use a concrete type. >
There is the need to define many constant interface values of one special interface type, the concrete value types of these constant interface values may be different. > > On Saturday, 6 August 2016 19:30:22 UTC+10, T L wrote: >> >> >> >> On Saturday, August 6, 2016 at 5:19:08 PM UTC+8, Dave Cheney wrote: >>> >>> Because an interface is a run time data structure, it cannot contain >>> constants because they don't exist at run time. >>> >> >> I think an interface is not essential to be always a run time data >> structure. If compiler thinks it is constant, then it is constant. >> >> >>> >>> On Saturday, 6 August 2016 19:14:26 UTC+10, T L wrote: >>>> >>>> >>>> >>>> On Saturday, August 6, 2016 at 3:58:52 PM UTC+8, Dave Cheney wrote: >>>>> >>>>> It is not possible. Constants only exist at compile time. >>>> >>>> >>>> yes, but why constant interface values can't exist at compile time? >>>> >>>> >>> >> > -- 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.
