Exercise: Maps

Implement WordCount. It should return a map of the counts of each “word” in the string s. The wc.Test function runs a test suite against the provided function and prints success or failure.

You might find strings.Fields helpful.

exercise-maps.go

package main
import (
    "golang.org/x/tour/wc"
)
func WordCount(s string) map[string]int {
    return map[string]int{"x": 1}
}
func main() {
    wc.Test(WordCount)
}