Implement heap.Interface on pointer receiver

PiperOrigin-RevId: 300467253

1 files changed, 10 insertions, 6 deletions

diff --git a/pkg/tcpip/transport/tcp/segment_heap.go b/pkg/tcpip/transport/tcp/segment_heap.go
index e28f213ba..8d3ddce4b 100644
--- a/pkg/tcpip/transport/tcp/segment_heap.go
+++ b/pkg/tcpip/transport/tcp/segment_heap.go
@@ -14,21 +14,25 @@
 
 package tcp
 
+import "container/heap"
+
 type segmentHeap []*segment
 
+var _ heap.Interface = (*segmentHeap)(nil)
+
 // Len returns the length of h.
-func (h segmentHeap) Len() int {
-	return len(h)
+func (h *segmentHeap) Len() int {
+	return len(*h)
 }
 
 // Less determines whether the i-th element of h is less than the j-th element.
-func (h segmentHeap) Less(i, j int) bool {
-	return h[i].sequenceNumber.LessThan(h[j].sequenceNumber)
+func (h *segmentHeap) Less(i, j int) bool {
+	return (*h)[i].sequenceNumber.LessThan((*h)[j].sequenceNumber)
 }
 
 // Swap swaps the i-th and j-th elements of h.
-func (h segmentHeap) Swap(i, j int) {
-	h[i], h[j] = h[j], h[i]
+func (h *segmentHeap) Swap(i, j int) {
+	(*h)[i], (*h)[j] = (*h)[j], (*h)[i]
 }
 
 // Push adds x as the last element of h.