lab5

golang/internal/lab5/lab5.go

@@ -0,0 +1,46 @@
+package airplanestruct
+
+import "fmt"
+
+type airplane struct {
+	speed        int
+	model        string
+	manufcountry string
+}
+
+func (a airplane) GetSpeed() int {
+	return a.speed
+}
+
+func NewAirplane(speedVar int, modelVar, manufcountryVar string) (airplane, error) {
+	var a airplane = airplane{
+		model:        modelVar,
+		manufcountry: manufcountryVar,
+	}
+	var err = a.SetSpeed(speedVar)
+	return a, err
+}
+
+func (a *airplane) SetSpeed(speed int) error {
+	if speed > 200 && speed < 10000 {
+		a.speed = speed
+		return nil
+	}
+	return fmt.Errorf("failed SetSpeed() for airplane model \"%s\" - invalid speed", a.GetModel())
+}
+
+func (a airplane) GetModel() string {
+	return a.model
+}
+
+func (a *airplane) SetModel(model string) {
+	a.model = model
+}
+
+func (a airplane) GetManufcountry() string {
+	return a.manufcountry
+}
+
+func (a *airplane) SetManufcountry(manufcountry string) {
+	a.manufcountry = manufcountry
+}

golang/main.go

@@ -2,11 +2,20 @@ package main
 
 import (
 	"fmt"
+	"log"
 
-	"isuct.ru/informatics2022/internal/lab4"
+	airplanestruct "isuct.ru/informatics2022/internal/lab5"
+	//"isuct.ru/informatics2022/internal/lab4"
 )
+
+func checkForError(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
 func main() {
-	fmt.Println("Кульбакин Аким Александрович")
+	/*fmt.Println("Кульбакин Аким Александрович")
 	fmt.Println("Задача А")
 	xn := 1.2
 	xk := 2.2
@@ -21,6 +30,20 @@ func main() {
 	xarray := []float64{1.21, 1.76, 2.53, 3.48, 4.52}
 	x, y = lab4.TaskB(xarray, a, b)
 	for i := range y {
-		fmt.Println("при x =", x[i], "y =", y[i])
-	}
+		fmt.Println("при x =", x[i], "y =", y[i])*/
+
+	//lab 5
+	airplane, err := airplanestruct.NewAirplane(3000, "IL-62", "Russia")
+	checkForError(err)
+	aeroplane, err := airplanestruct.NewAirplane(853, "Some Airbus", "France")
+	checkForError(err)
+	lastairplane, err := airplanestruct.NewAirplane(968, "Boeing-747", "USA")
+	checkForError(err)
+
+	airplane.SetModel("Il'ushin IL-62")
+	aeroplane.SetModel("Airbus A320")
+
+	fmt.Println("Airplane model is", lastairplane.GetModel())
+	fmt.Println("Airplane speed is", lastairplane.GetSpeed())
+	fmt.Println("Airplane manufacturing country is", lastairplane.GetManufcountry())
 }