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: walk.go
    path of file: ./repos/hugo/hugofs
    
    the code of the file until where you have to start completion: // Copyright 2019 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or 
    
func (w *Walkway) checkErr(filename string, err error) bool {
	if herrors.IsNotExist(err) && !w.cfg.FailOnNotExist {
		// The file may be removed in process.
		// This may be a ERROR situation, but it is not possible
		// to determine as a general case.
		w.logger.Warnf("File %q not found, skipping.", filename)
		return true
	}

	return false
}