package mergo_test import ( "testing" "github.com/imdario/mergo" ) type issue100s struct { Member interface{} } func TestIssue100(t *testing.T) { m := make(map[string]interface{}) m["Member"] = "anything" st := &issue100s{} if err := mergo.Map(st, m); err != nil { t.Error(err) } }