bump go modules

Signed-off-by: GitHub <[email protected]>

vendor/github.com/emirpasic/gods/trees/binaryheap/binaryheap.go

@@ -19,9 +19,8 @@ import (
 	"strings"
 )
 
-func assertTreeImplementation() {
-	var _ trees.Tree = (*Heap)(nil)
-}
+// Assert Tree implementation
+var _ trees.Tree = (*Heap)(nil)
 
 // Heap holds elements in an array-list
 type Heap struct {
@@ -98,15 +97,19 @@ func (heap *Heap) Clear() {
 
 // Values returns all elements in the heap.
 func (heap *Heap) Values() []interface{} {
-	return heap.list.Values()
+	values := make([]interface{}, heap.list.Size(), heap.list.Size())
+	for it := heap.Iterator(); it.Next(); {
+		values[it.Index()] = it.Value()
+	}
+	return values
 }
 
 // String returns a string representation of container
 func (heap *Heap) String() string {
 	str := "BinaryHeap\n"
 	values := []string{}
-	for _, value := range heap.list.Values() {
-		values = append(values, fmt.Sprintf("%v", value))
+	for it := heap.Iterator(); it.Next(); {
+		values = append(values, fmt.Sprintf("%v", it.Value()))
 	}
 	str += strings.Join(values, ", ")
 	return str