IsPalindrome

main.go

// https://play.golang.org/p/gHUzTTE-IUy

// write a function that prints either True of False
// # depending on whether its only argument, a string, is a
// # palindrome
// #
// # racecar     == racecar   : True
// # johnbuhay   == yahubnhoj : False
// # tacocat     == tacocat   : True
// # noon        == noon      : True

package main

import (
	"fmt"
)

var words = []string{"racecar", "johnbuhay", "noon", "tacocat"}

func main() {
	for _, word := range words {
		fmt.Println(IsPalindrome(word))
	}
}

// IsPalindrome returns true if input is a palindrome
func IsPalindrome(s string) bool {

	// compare the last item to first item, return false when they dont match
	// return true, when you have reached the middle
	length := len(s)
	for i := range s {
		if i == length/2 {
			return true
		}
		if string(s[i]) != string(s[(length-1)-i]) {
			return false
		}
	}
	return true
}