Hello Hay,
with interface{} you explicitly allow everything. Instead you may consider
to restrict the accepted input in the first place - e.g. with a non-empty
interface.
Chris
hay <habibalyou...@gmail.com> schrieb am Mo. 19. Nov. 2018 um 15:37:
> Hi,
>
> I've the following example code of correct version.
>
> func SomeFunction(itemPtr interface{}) {
>
>
> //itemPtr must be pointer to struct and not struct.
>
>
> }
>
>
> func SomeFunctionCaller() {
>
>
> u := UserRecord{}
>
>
> SomeFunction(&u)
>
>
> }
>
>
> Above is the correct version, but some coders pass struct instead of
> pointer which causes run-time errors.
>
> Bad version:
>
> func SomeFunctionCaller() {
>
>
> u := UserRecord{}
>
>
> SomeFunction(u)
>
>
> }
>
>
> Is there a way to force "SomeFunction" to take pointers only at compile
> time?
>
> Thanks and best regards,
>
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