Improve: delete useless code and code coverage is now 100%

observable/iterable.go

@@ -1,18 +1,3 @@
 package observable
 
-import (
-	"errors"
-)
-
 type Iterable <-chan interface{}
-
-func NewIterable(any interface{}) (Iterable, error) {
-	switch any := any.(type) {
-	case chan interface{}:
-		return Iterable(any), nil
-	case <-chan interface{}:
-		return Iterable(any), nil
-	default:
-		return nil, errors.New("type error")
-	}
-}