Thanks for the help and quick response Tyler. On Mon, 11 Feb 2019 at 17:56, Tyler Compton <xavi...@gmail.com> wrote:
> Constant expressions like 'A' or 3 or named constants like "const x = 7" > are what Go calls "untyped constants". The type of these constants are > determined by the context in which they're used. For example: > > const myConst = 3 > myFloat := 2.5 > fmt.Println(myFloat + myConst) > fmt.Println(myFloat + 3) > > Both of the above cases work because myConst and the literal 3 are untyped > constants that take on the type float64 automatically. > > You can also declare typed constants, which no longer have these type > inference properties. > > const myConst int = 3 > myFloat := 2.5 > fmt.Println(myFloat + myConst) // No longer works > > If you're curious about the details, I would check out the section of the > language spec on this: https://golang.org/ref/spec#Constants > > On Mon, Feb 11, 2019 at 9:37 AM Jamie Caldwell < > mr.jamie.caldw...@gmail.com> wrote: > >> Hello, >> >> Can you help? >> >> https://play.golang.org/p/XfJZ3h06p60 >> >> Why does 'A' work, when first assigning it to a variable doesn't? >> >> Thank you, >> Jamie. >> >> -- >> 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.
