feat: convert Test struct to exported

Author: nicklaus-dev

README.md

@@ -2105,29 +2105,29 @@ It returns a new slice containing only the elements whose keys are not in the ex
 
 
 ```go
-type user {
-    id int
-    name string
+type User {
+    ID int
+    Name string
 }
 
 // original users
-users := []user{
-    {id: 1, name: "Alice"},
-    {id: 2, name: "Bob"},
-    {id: 3, name: "Charlie"},
+users := []User{
+    {ID: 1, Name: "Alice"},
+    {ID: 2, Name: "Bob"},
+    {ID: 3, Name: "Charlie"},
 }
 
 // exclude users with IDs 2 and 3
 excludedIDs := []int{2, 3}
 
 // extract function to get the user ID
-extractID := func(user user) int {
-    return user.id
+extractID := func(user User) int {
+    return user.ID
 }
 
 // filtering users
 filteredUsers := WithoutBy(users, extractID, excludedIDs...)
-// []user[{id: 1, name: "Alice"}]
+// []User[{ID: 1, Name: "Alice"}]
 ```
 
 ### WithoutEmpty

intersect_example_test.go

@@ -5,23 +5,23 @@ import (
 )
 
 func ExampleWithoutBy() {
-	type user struct {
-		id   int
-		name string
+	type User struct {
+		ID   int
+		Name string
 	}
 	// original users
-	users := []user{
-		{id: 1, name: "Alice"},
-		{id: 2, name: "Bob"},
-		{id: 3, name: "Charlie"},
+	users := []User{
+		{ID: 1, Name: "Alice"},
+		{ID: 2, Name: "Bob"},
+		{ID: 3, Name: "Charlie"},
 	}
 
 	// exclude users with IDs 2 and 3
 	excludedIDs := []int{2, 3}
 
 	// extract function to get the user ID
-	extractID := func(user user) int {
-		return user.id
+	extractID := func(user User) int {
+		return user.ID
 	}
 
 	// filtering users

intersect_test.go

@@ -274,20 +274,20 @@ func TestWithoutBy(t *testing.T) {
 	t.Parallel()
 	is := assert.New(t)
 
-	type user struct {
-		name string
-		age  int
+	type User struct {
+		Name string
+		Age  int
 	}
 
-	result1 := WithoutBy([]user{{name: "nick"}, {name: "peter"}},
-		func(item user) string {
-			return item.name
+	result1 := WithoutBy([]User{{Name: "nick"}, {Name: "peter"}},
+		func(item User) string {
+			return item.Name
 		}, "nick", "lily")
-	result2 := WithoutBy([]user{}, func(item user) int { return item.age }, 1, 2, 3)
-	result3 := WithoutBy([]user{}, func(item user) string { return item.name })
-	is.Equal(result1, []user{{name: "peter"}})
-	is.Equal(result2, []user{})
-	is.Equal(result3, []user{})
+	result2 := WithoutBy([]User{}, func(item User) int { return item.Age }, 1, 2, 3)
+	result3 := WithoutBy([]User{}, func(item User) string { return item.Name })
+	is.Equal(result1, []User{{Name: "peter"}})
+	is.Equal(result2, []User{})
+	is.Equal(result3, []User{})
 }
 
 func TestWithoutEmpty(t *testing.T) {