From ddb992ad2f0541c5f69b738e82df8e490fdccaa0 Mon Sep 17 00:00:00 2001
From: dudaodong <lanliddd.2007@163.com>
Date: Mon, 22 Aug 2022 11:10:17 +0800
Subject: [PATCH] refactor: BuildMaxHeap

---
 datastructure/heap/maxheap.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/datastructure/heap/maxheap.go b/datastructure/heap/maxheap.go
index 81e20c5..595d044 100644
--- a/datastructure/heap/maxheap.go
+++ b/datastructure/heap/maxheap.go
@@ -28,7 +28,7 @@ func NewMaxHeap[T any](comparator lancetconstraints.Comparator) *MaxHeap[T] {
 // BuildMaxHeap builds a MaxHeap instance with data and given comparator.
 func BuildMaxHeap[T any](data []T, comparator lancetconstraints.Comparator) *MaxHeap[T] {
 	heap := &MaxHeap[T]{
-		data:       make([]T, 0),
+		data:       make([]T, 0, len(data)),
 		comparator: comparator,
 	}