<p><pre><code> mapstore.Add_Lat_Lng(40, -70)
mapstore.Add_Lng_Lat(-70, 40)
mapstore.Add_LatLng( []float64{ 40, -70 } )
</code></pre>
Few minor gripes for the Go code; don't use underscores and don't provide method signatures for all arrangements of values, all you need is mapstore.AddLatLng(x, y)