Answer of the exercice "Maps" of gotour https://tour.golang.org/moretypes/23

exercice-maps.go

package main

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

func WordCount(s string) map[string]int {
	splitArr := strings.Fields(s);
	m := make(map[string]int)
	var nbOccurence int
	for _, v := range splitArr {
		for _, v2 := range splitArr {
			if v == v2 { nbOccurence++ }
		}
		m[v] = nbOccurence
		nbOccurence = 0
	}
	return m
}

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