package core import ( "fmt" "github.com/hashicorp/vagrant-plugin-sdk/core" ) type closer interface { Closer(func() error) } func seedPlugin( plugin interface{}, seed interface{}, ) (err error) { s, ok := plugin.(core.Seeder) if !ok { return fmt.Errorf("component does not implement core.Seeder") } seeds, err := s.Seeds() if err != nil { return } seeds.AddTyped(seed) if err = s.Seed(seeds); err != nil { return } return }