func (ds *DataSource) Layer() (*Layer, error) {
layer := C.OGR_DS_GetLayer(ds.v, 0)
if layer == nil {
return nil, lastOgrError("failed to get layer 0")
}
return &Layer{layer}, nil
}
// Fetch a layer of this data source by index
func (ds DataSource) LayerByIndex(index int) Layer {
layer := C.OGR_DS_GetLayer(ds.cval, C.int(index))
return Layer{layer}
}
func (dataset Dataset) LayerByIndex(index int) Layer {
layer := C.OGR_DS_GetLayer(dataset.cval, C.int(index))
return Layer{layer}
}