github.com/sagernet/sing@v0.2.6/common/closer.go (about)

     1  package common
     2  
     3  import "io"
     4  
     5  type closeWrapper struct {
     6  	closer func() error
     7  }
     8  
     9  func (w *closeWrapper) Close() error {
    10  	return w.closer()
    11  }
    12  
    13  func Closer(closer func() error) io.Closer {
    14  	if closer == nil {
    15  		return nil
    16  	}
    17  	return &closeWrapper{closer}
    18  }