Solution for module-3

module-3/task1/go.mod

@@ -0,0 +1,3 @@
+module honestit/module3/task1
+
+go 1.16

module-3/task1/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("Hello module-3")
+}

module-3/task1/pointers/pointers_test.go

@@ -14,9 +14,9 @@ func Test_doubleValues(t *testing.T) {
 	}
 
 	for i, tt := range tests {
-		out, expected := *tt.in, *tt.expected
+		out, expected := tt.in, tt.expected
 		if DoubleValues(tt.in); expected == out {
-			t.Errorf("Unexpected result in Test #%d, expected %+v, got %+v", i, tt.expected, *tt.in)
+			t.Errorf("Unexpected result in Test #%d, expected %+v, got %+v", i, tt.expected, tt.in)
 		}
 	}
 }

module-3/task2/go.mod

@@ -0,0 +1,3 @@
+module honestit/module3/task2
+
+go 1.16

module-3/task2/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("Hello task 2 of module 3")
+}

module-3/task2/slices/slice.go

@@ -1,21 +1,47 @@
 package slices
 
+import (
+	"sort"
+)
+
 func SortStringsInPlace(s []string) {
+	sort.Strings(s)
 }
 
 func SortStringsPure(s []string) []string {
-
+	copy := s
+	sort.Strings(copy)
+	return copy
 }
 
 type User struct {
 	FirstName string
 	LastName  string
 }
 
+type UserList []User
+
+func (u UserList) Len() int {
+	return len(u)
+}
+
+func (u UserList) Less(i, j int) bool {
+	return u[i].FirstName < u[j].FirstName || (u[i].FirstName == u[j].FirstName && u[i].LastName < u[j].LastName)
+
+}
+
+func (u UserList) Swap(i, j int) {
+	u[i], u[j] = u[j], u[i]
+}
+
 func SortUsersPure(s []User) []User {
-	return r
+	var userList UserList = s
+	sort.Sort(userList)
+	return userList
 }
 
 func SortUsersPureDesc(s []User) []User {
-	return r
+	var userList UserList = s
+	sort.Sort(sort.Reverse(userList))
+	return userList
 }

module-3/task3/go.mod

@@ -0,0 +1,3 @@
+module honestit/module3/task3
+
+go 1.16

module-3/task3/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("Hello from task 3 of module 3")
+}

module-3/task3/maps/maps.go

@@ -1,4 +1,23 @@
 package maps
 
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
 func SortedValues(m map[int]string) string {
+	var keys []int
+	for key := range m {
+		keys = append(keys, key)
+	}
+	sort.Ints(keys)
+	fmt.Printf("Keys: %v\n", keys)
+
+	var sb strings.Builder
+	for _, key := range keys {
+		val := m[key]
+		sb.WriteString(val)
+	}
+	return sb.String()
 }