On Thu, Jun 20, 2019 at 5:25 PM Gert <gert.cuyk...@gmail.com> wrote:
>
> Trying to get my mind around why the private() function is necessary here. I
> fail to understand the comment provided
>
> type Geometry interface {
> GeoJSONType() string
> Dimensions() int // e.g. 0d, 1d, 2d
> Bound() Bound
>
> // requiring because sub package type switch over all possible types.
> private()
> }
>
> https://github.com/paulmach/orb/blob/master/geometry.go#L10
Some packages use an unexported method like this to ensure that no
type defined outside of the package can implement the interface.
Ian
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