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: clean.go
    path of file: ./repos/sealer/vendor/github.com/opencontainers/runtime-tools/filepath
    
    the code of the file until where you have to start completion: package filepath

import (
	"fmt"
	"strings"
)

// Clean is an explicit-OS version of path/filepath's Clean.
func Clean(os, path string) string {
	abs := IsAbs(os, path)
	sep := Separator(os)
	elements := strings.Split(path, string(sep))

	// Replace multiple Separator elements with a single one.
	for i := 0; i < len(elements); i++ {
		if len(elements[i]) == 0 {
			elements = append(elements[:i], elements[i+1:]...)
			i--
		}
	}

	// Eliminate each . path name element (the current directory).
	for i := 0; i < len(elements); i++ {
		if elements[i] == "." && len(elements) > 1 {
			elements = append(elements[:i], elements[i+1:]...)
			i--
		}
	}

	// Eliminate each inner .. path name element (the parent directory)
	// along with the non-.. element that precedes it.
	for i := 1; i < len(elements); i++ {
		if i == 1 && abs && sep == '\\' {
			contin
    
func Clean(os, path string) string {
	abs := IsAbs(os, path)
	sep := Separator(os)
	elements := strings.Split(path, string(sep))

	// Replace multiple Separator elements with a single one.
	for i := 0; i < len(elements); i++ {
		if len(elements[i]) == 0 {
			elements = append(elements[:i], elements[i+1:]...)
			i--
		}
	}

	// Eliminate each . path name element (the current directory).
	for i := 0; i < len(elements); i++ {
		if elements[i] == "." && len(elements) > 1 {
			elements = append(elements[:i], elements[i+1:]...)
			i--
		}
	}

	// Eliminate each inner .. path name element (the parent directory)
	// along with the non-.. element that precedes it.
	for i := 1; i < len(elements); i++ {
		if i == 1 && abs && sep == '\\' {
			continue
		}
		if i > 0 && elements[i] == ".." {
			elements = append(elements[:i-1], elements[i+1:]...)
			i -= 2
		}
	}

	// Eliminate .. elements that begin a rooted path:
	// that is, replace "/.." by "/" at the beginning of a path,
	// assuming Separator is '/'.
	offset := 0
	if sep == '\\' {
		offset = 1
	}
	if abs {
		for len(elements) > offset && elements[offset] == ".." {
			elements = append(elements[:offset], elements[offset+1:]...)
		}
	}

	cleaned := strings.Join(elements, string(sep))
	if abs {
		if sep == '/' {
			cleaned = fmt.Sprintf("%c%s", sep, cleaned)
		} else if len(elements) == 1 {
			cleaned = fmt.Sprintf("%s%c", cleaned, sep)
		}
	}

	// If the result of this process is an empty string, Clean returns
	// the string ".".
	if len(cleaned) == 0 {
		cleaned = "."
	}

	if cleaned == path {
		return path
	}
	return Clean(os, cleaned)
}