type io.Closer

11 uses

	io (current package)
		io.go#L107: type Closer interface {
		io.go#L139: 	Closer
		io.go#L145: 	Closer
		io.go#L152: 	Closer
		io.go#L166: 	Closer

	crypto/cipher
		io.go#L49: 	if c, ok := w.W.(io.Closer); ok {

	mime/multipart
		formdata.go#L291: 	io.Closer
		formdata.go#L298: 	io.Closer

	net/http
		fs.go#L109: 	io.Closer
		response.go#L281: 				io.Closer
		transfer.go#L63: 	BodyCloser       io.Closer