exercise-maps.go

package main

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

func WordCount(s string) map[string]int {
	fields := strings.Fields(s)
	words := make(map[string]int)
	for _, v := range fields {
		_, exist := words[v]
		if exist {
			words[v]++
		} else {
			words[v] = 1
		}
	}
	
	return words
}

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