Go Data Structures

Fizzbuzz

func fizzBuzz(i int) string {
  switch true {
    case i%3 == 0 && i%5 == 0:
        return "fizzbuzz"
    case i%3 == 0:
        return "fizz"
    case i%5 == 0:
        return "buzz"
    default:
        return strconv.Itoa(i)
  }
}
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Chunked Arrays

func arrayChunk(arr []int, size int) [][]int {
    if len(arr) <= 0 {
        return nil
    }

    var tmp []int
    var chunkedArr [][]int
    for i, item := range arr {
        tmp = append(tmp, item)

        isFinal := len(arr)-1 == i
        if i%size == size-1 || isFinal {
            fmt.Printf("%v", tmp)
            chunkedArr = append(chunkedArr, tmp)
            tmp = nil
        }
    }

    return chunkedArr
}
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Palindromes

package main

// return whether it is a palindrome or not
func main() {
    return
}

// String converts string struct expecting palindromes
type String struct {
    str string
}

func newPalindrome(s string) String {
    return String{s}
}

func (s String) isPalindrome() bool {
    r := []rune(s.str)
    for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
        if r[i] != r[j] {
            return false
        }
    }

    return true
}
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