这是她看完药神之后的观后感,看到chanel的声明,就吸引我一直把它读完。
package main
import (
"fmt"
"math/rand"
"sync"
"time"
)
var (
r = rand.New(rand.NewSource(time.Now().Unix()))
disasterSignal = make(chan string)
accidentSignal = make(chan string)
diseaseSignal = make(chan string)
)
// Element : abstract factor which life consisted by
type Element interface {
Improve()
Depress()
Stable()
Enable() bool
BeAbleHandle(event string) bool
}
type Activity interface {
IsSuitable(life *Life) bool
Do(life *Life)
Interrupted()
}
type Life struct {
Sex string
Age time.Duration
Health Element
Knowledge Element
Ability Element
RelationShip Element
Wealth Element
OtherElement Element
Work Activity
Study Activity
Exercise Activity
Entertain Activity
Rest Activity
OtherActive Activity
isDoings []Activity
vitalitySignal chan struct{}
NaturalDeath chan struct{}
}
func (f *Life) Join(oppositeSex *Life, love, family Element) (*Life, error) {
if !love.Enable() || !family.Enable() || f.Sex == oppositeSex.Sex {
return nil, fmt.Errorf("Sorry, no boby should be borned!")
}
boby := &Life{
Sex: []string{"male", "female"}[r.Intn(2)],
Age: 0,
isDoings: []Activity{},
NaturalDeath: make(chan struct{}),
vitalitySignal: make(chan struct{}),
}
return boby, nil
}
func (f *Life) Run() {
go ExternalEndanger(f)
// time elapses day by day
for {
startTime := time.Now().UTC()
wg := &sync.WaitGroup{}
for _, active := range []Activity{f.Study, f.Work, f.Entertain, f.Exercise, f.Rest, f.OtherActive} {
if f.SuitableFor(active) {
wg.Add(1)
go func(activity Activity) {
defer wg.Wait()
activity.Do(f)
}(active)
}
}
select {
case <-f.NaturalDeath:
f.Close()
fmt.Println("Life is short, make it colourful and cherish the love around all!")
return
case <-f.vitalitySignal:
fmt.Println("记得买保险!")
return
case <-time.After(24*time.Hour - time.Now().UTC().Sub(startTime)):
fmt.Println("One day went by...")
}
//wg.Wait()
f.Age += 24 * time.Hour
}
fmt.Println("Goodbye, life!")
}
func (f *Life) Somehow() {
// happened something to effect one to reach some life stage
}
func (f *Life) SuitableFor(active Activity) bool {
return active.IsSuitable(f)
}
func (f *Life) Survive(event string) bool {
for _, e := range []Element{f.Health, f.Knowledge, f.Ability, f.RelationShip, f.Wealth, f.OtherElement} {
if !e.BeAbleHandle(event) {
return false
}
}
return true
}
func (f *Life) Close() {
for _, doing := range f.isDoings {
doing.Interrupted()
}
close(f.vitalitySignal)
}
var female = LifeFromSomeWhere("female")
var male = LifeFromSomeWhere("male")
func ExternalEndanger(f *Life) {
for {
event := ""
select {
case event = <-diseaseSignal:
case event = <-disasterSignal:
case event = <-accidentSignal:
}
if !f.Survive(event) {
f.Close()
return
}
}
}
func LifeFromSomeWhere(sex string) *Life {
life := &Life{Sex: sex}
life.Somehow()
return life
}
func main() {
// I don't know the question of "鸡生蛋 or 蛋生鸡"...
newLife, err := female.Join(male, ElementImp{Type: "love"}, ElementImp{Type: "family"})
if err == nil {
newLife.Run()
}
}
原贴地址是阿里云云栖社区,拼命三郎OL引用自 程序媛比码大赛 不秀美颜 秀代码-清宵参与的聚能聊话题-云栖社区
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