added Values method to List

ds/list.go

@@ -60,12 +60,15 @@ type List[T any] interface {
 	// RangeReverse executes the given callback for the value of each element in the List in reverse order.
 	RangeReverse(callback func(value T))
 
+	// Values returns a slice of all values in the List.
+	Values() []T
+
 	// Len returns the number of elements in the List.
 	Len() int
 }
 
-// NewList creates a new List (the optional lockFree parameter can be set to true to create a List that is not thread
-// safe).
+// NewList creates a new List (the optional lockFree parameter can be set to true to create a List that is not
+// thread-safe).
 func NewList[T any](lockFree ...bool) List[T] {
 	if len(lockFree) > 0 && lockFree[0] {
 		return newList[T]()

ds/list_impl.go

@@ -239,6 +239,17 @@ func (l *list[T]) RangeReverse(callback func(value T)) {
 	}
 }
 
+// Values returns a slice of all values in the List.
+func (l *list[T]) Values() []T {
+	values := make([]T, 0)
+
+	l.Range(func(value T) {
+		values = append(values, value)
+	})
+
+	return values
+}
+
 // Len returns the number of elements in the List.
 func (l *list[T]) Len() int { return l.len }
 
@@ -458,6 +469,14 @@ func (t *threadSafeList[T]) RangeReverse(callback func(value T)) {
 	t.list.RangeReverse(callback)
 }
 
+// Values returns a slice of all values in the List.
+func (t *threadSafeList[T]) Values() []T {
+	t.mutex.RLock()
+	defer t.mutex.RUnlock()
+
+	return t.list.Values()
+}
+
 // Len returns the number of elements in the List.
 func (t *threadSafeList[T]) Len() int {
 	t.mutex.RLock()