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: core.go
    path of file: ./repos/plumber/vendor/golang.org/x/text/unicode/bidi
    
    the code of the file until where you have to start completion: // Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package bidi

import (
	"fmt"
	"log"
)

// This implementation is a port based on the reference implementation found at:
// https://www.unicode.org/Public/PROGRAMS/BidiReferenceJava/
//
// described in Unicode Bidirectional Algorithm (UAX #9).
//
// Input:
// There are two levels of input to the algorithm, since clients may prefer to
// supply some information from out-of-band sources rather than relying on the
// default behavi
    
func computeReordering(levels []level) []int {
	result := make([]int, len(levels))
	// initialize order
	for i := range result {
		result[i] = i
	}

	// locate highest level found on line.
	// Note the rules say text, but no reordering across line bounds is
	// performed, so this is sufficient.
	highestLevel := level(0)
	lowestOddLevel := level(maxDepth + 2)
	for _, level := range levels {
		if level > highestLevel {
			highestLevel = level
		}
		if level&1 != 0 && level < lowestOddLevel {
			lowestOddLevel = level
		}
	}

	for level := highestLevel; level >= lowestOddLevel; level-- {
		for i := 0; i < len(levels); i++ {
			if levels[i] >= level {
				// find range of text at or above this level
				start := i
				limit := i + 1
				for limit < len(levels) && levels[limit] >= level {
					limit++
				}

				for j, k := start, limit-1; j < k; j, k = j+1, k-1 {
					result[j], result[k] = result[k], result[j]
				}
				// skip to end of level run
				i = limit
			}
		}
	}

	return result
}