Go exercises

exercises.go

// exercise-maps
// https://tour.golang.org/moretypes/19

package main

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

func WordCount(s string) map[string]int {
    result := make(map[string]int)
	for _, element := range strings.Fields(s) {
	    result[element]++
	}
	return result
}

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

// exercise-fibonacci-closure
// https://tour.golang.org/moretypes/22

package main

import "fmt"

// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
	f, g := 0, 1
	return func() int {
		f, g = g, f+g
		return f
	}
}

func main() {
	f := fibonacci()
	for i := 0; i < 10; i++ {
		fmt.Println(f())
	}
}