Example of idiomatic Go for counting words in a collection

word_count.go

package main

import "fmt"
import "strings"

func main() {
	dictionary := make(map[string]int)
	words := []string{"Fear", "of", "a", "name", "only", "increases", "fear", "of", "the", "thing", "itself"}
	for _, word := range words {
		word = strings.ToLower(word)
		if count, ok := dictionary[word]; ok {
			dictionary[word] = count + 1
		} else {
			dictionary[word] = 1
		}
	}

	fmt.Printf("The counts are %v\n", dictionary)
}