Solution to the maps exercise at http://tour.golang.org/#40

WordCount.go

package main

import (
    "code.google.com/p/go-tour/wc"
    "strings"
)

func WordCount(s string) map[string]int {
  fields := strings.Fields(s)
  m := make(map[string]int)

  for _ , v := range fields {
    m[v] ++
  }
  return m
}

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