Solution to https://tour.golang.org/moretypes/23

exercise-maps.go

package main

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

func WordCount(s string) map[string]int {
	var m = map[string]int{}
	words := strings.Fields(s)

	for _, word := range words {
		m[word]++
	}

	return m
}

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