You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: be_closed_matcher.go
    path of file: ./repos/devspace/vendor/github.com/onsi/gomega/matchers
    
    the code of the file until where you have to start completion: // untested sections: 2

package matchers

import (
	"fmt"
	"reflect"

	"github.com/onsi/gomega/format"
)

type BeClosedMatcher struct {
}

func (matcher *BeClosedMatcher) Match(actual interface{}) (success bool, err error) {
	if !isChan(actual) {
		return false, fmt.Errorf("BeClosed matcher expects a channel.  Got:\n%s", format.Object(actual, 1))
	}

	channelType := reflect.TypeOf(actual)
	channelValue := reflect.ValueOf(actual)

	if channelType.ChanDir() == reflect.SendDir {
		
    
func (matcher *BeClosedMatcher) Match(actual interface{}) (success bool, err error) {
	if !isChan(actual) {
		return false, fmt.Errorf("BeClosed matcher expects a channel.  Got:\n%s", format.Object(actual, 1))
	}

	channelType := reflect.TypeOf(actual)
	channelValue := reflect.ValueOf(actual)

	if channelType.ChanDir() == reflect.SendDir {
		return false, fmt.Errorf("BeClosed matcher cannot determine if a send-only channel is closed or open.  Got:\n%s", format.Object(actual, 1))
	}

	winnerIndex, _, open := reflect.Select([]reflect.SelectCase{
		{Dir: reflect.SelectRecv, Chan: channelValue},
		{Dir: reflect.SelectDefault},
	})

	var closed bool
	if winnerIndex == 0 {
		closed = !open
	} else if winnerIndex == 1 {
		closed = false
	}

	return closed, nil
}