Exercise: Maps

gistfile1.go

// https://tour.golang.org/moretypes/19
package main

import (
	"golang.org/x/tour/wc"
)
import "strings"

func WordCount(s string) map[string]int {
	counts := make(map[string]int)
	words := strings.Fields(s)
	for _, word := range words {
		counts[word] += 1
	}
	return counts
}

func main() {
	wc.Test(WordCount)
}