package api import ( "context" "github.com/mentos1386/golang-rest-example/pkg/openapi" ) func (u *ApiService) GroupsGet(ctx context.Context) ([]openapi.Group, error) { var groups []openapi.Group for _, group := range u.groups { groups = append(groups, *group) } groups = append(groups, openapi.Group{ID: openapi.ID(1), Name: "Admins"}) return groups, nil }