new version

patterns/simpleFactory/IGun.go

@@ -0,0 +1,8 @@
+package main
+
+type IGun interface {
+	setName(name string)
+	setPower(power int)
+	getName() string
+	getPower() int
+}

patterns/simpleFactory/ak47.go

@@ -0,0 +1,14 @@
+package main
+
+type AK47 struct {
+	Gun
+}
+
+func newAk47() IGun {
+	return AK47{
+		Gun: Gun{
+			name:  "AK47",
+			power: 4,
+		},
+	}
+}

patterns/simpleFactory/go.mod

@@ -0,0 +1,3 @@
+module main.go
+
+go 1.25.5

patterns/simpleFactory/gun.go

@@ -0,0 +1,22 @@
+package main
+
+type Gun struct {
+	name  string
+	power int
+}
+
+func (g Gun) setName(name string) {
+	g.name = name
+}
+
+func (g Gun) setPower(power int) {
+	g.power = power
+}
+
+func (g Gun) getName() string {
+	return g.name
+}
+
+func (g Gun) getPower() int {
+	return g.power
+}

patterns/simpleFactory/gunFactory.go

@@ -0,0 +1,13 @@
+package main
+
+import "errors"
+
+func GetGun(gunType string) (IGun,error){
+	if gunType == "ak47" {
+		return newAk47(),nil
+	}
+	if gunType == "musket" {
+		return newMusket(),nil
+	}
+	return nil,errors.New("No such a gun")
+}

patterns/simpleFactory/main.go

@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+func PrintDetails(gunName IGun) {
+	fmt.Println("Gun model is ",gunName.getName())
+	fmt.Println("Gun power is ",gunName.getPower())
+}
+
+func main() {
+	ak47,err := GetGun("ak47")
+	if err != nil {
+		fmt.Println(err)
+	}
+	musket,err := GetGun("musket")
+	if err != nil {
+		fmt.Println(err)
+	}
+	PrintDetails(ak47)
+	PrintDetails(musket)
+
+}

patterns/simpleFactory/musket.go

@@ -0,0 +1,14 @@
+package main
+
+type musket struct {
+	Gun
+}
+
+func newMusket() IGun {
+	return musket{
+		Gun: Gun{
+			name: "Musket gun",
+			power: 1,
+		},
+	}
+}