added lab5

golang/internal/lab5/rabbitStruct.go

@@ -0,0 +1,59 @@
+package lab5
+
+import (
+	"fmt"
+	"log"
+)
+
+type rabbit struct {
+	age    int
+	name   string
+	weight float64
+}
+
+func Newrabbit(age int, name string, weight float64) (rabbit, error) {
+	var r rabbit = rabbit{
+		name:   name,
+		weight: weight,
+	}
+	var err = r.Setage(age)
+	return r, err
+}
+
+func (r *rabbit) Getage() int {
+	return r.age
+}
+
+func (r *rabbit) Setage(age int) error {
+	if age >= 0 && age <= 10 {
+		r.age = age
+		return nil
+	}
+	return fmt.Errorf("Rabbit %s's age is incorrect", (r.Getname()))
+}
+
+func (r *rabbit) Getname() string {
+	return r.name
+}
+
+func (r *rabbit) Setname(name string) {
+	r.name = name
+}
+
+func (r *rabbit) Getweight() float64 {
+	return r.weight
+}
+
+func (r *rabbit) Setweight(weight float64) {
+	r.weight = weight
+}
+
+func Rabbitinfo(r *rabbit) {
+	fmt.Println("rabbit's age is", r.Getage(), "\nrabbit's name is", r.Getname(), "\nrabbit's weight is", r.Getweight())
+}
+
+func Checkforeror(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}

golang/main.go

@@ -2,11 +2,22 @@ package main
 
 import (
 	"fmt"
+
 	"isuct.ru/informatics2022/internal"
+	"isuct.ru/informatics2022/internal/lab5"
 )
 
 func main() {
-  fmt.Println("Жуков Даниил Евгеньевич")
+	fmt.Println("Жуков Даниил Евгеньевич")
 	fmt.Println(internal.TaskA(0.7, 2.2, 0.3))
 	fmt.Println(internal.TaskB([]float64{0.25, 0.36, 0.56, 0.94, 1.28}))
+	rabbit1, err := lab5.Newrabbit(3, "Benjamin", 5)
+	lab5.Checkforeror(err)
+	lab5.Rabbitinfo(&rabbit1)
+	rabbit2, err := lab5.Newrabbit(7, "Dima", 10)
+	lab5.Checkforeror(err)
+	lab5.Rabbitinfo(&rabbit2)
+	rabbit3, err := lab5.Newrabbit(20, "Alice", 15)
+	lab5.Checkforeror(err)
+	lab5.Rabbitinfo(&rabbit3)
 }