Re: [go-nuts] Casting across types

2019-04-15 Thread 'simon place' via golang-nuts
may be missing the point, but why go thought an interface{}? https://play.golang.org/p/Ol7e6UrNAWq -- 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+u

Re: [go-nuts] Casting across types

2019-04-15 Thread Sankar P
Thanks :) திங்., 15 ஏப்., 2019, பிற்பகல் 4:20 அன்று, roger peppe எழுதியது: > The dynamic type conversion needs to specify the exact type that was put > into the interface (B in this case). > You can convert it back to A afterwards: > https://play.golang.org/p/jBRtR_8RloC > > On Mon, 15 Apr 2019

Re: [go-nuts] Casting across types

2019-04-15 Thread roger peppe
The dynamic type conversion needs to specify the exact type that was put into the interface (B in this case). You can convert it back to A afterwards: https://play.golang.org/p/jBRtR_8RloC On Mon, 15 Apr 2019 at 11:32, Sankar P wrote: > Playground url: https://play.golang.org/p/tDT7xCJJ_XN > > த

Re: [go-nuts] Casting across types

2019-04-15 Thread Sankar P
Playground url: https://play.golang.org/p/tDT7xCJJ_XN திங்., 15 ஏப்., 2019, பிற்பகல் 4:01 அன்று, Sankar < sankar.curios...@gmail.com> எழுதியது: > I have the following go code: > > ``` > type A map[string]interface{} > type B map[string]interface{} > > func f(a A) { > fmt.Println(a) > } > > func m

[go-nuts] Casting across types

2019-04-15 Thread Sankar
I have the following go code: ``` type A map[string]interface{} type B map[string]interface{} func f(a A) { fmt.Println(a) } func main() { var b B b = make(map[string]interface{}) i := interface{}(b) f(i.(A)) } ``` This code panics when I try to convert the B instance to type A. What is the ri