trie: prefer nil slices over zero-length slices (#19084)

2019-02-19 05:50:11 -08:00
parent f1537b774c
commit 514a9472ad
4 changed files with 5 additions and 5 deletions
--- a/trie/proof.go
+++ b/trie/proof.go
@ -37,7 +37,7 @@ import (
 func (t *Trie) Prove(key []byte, fromLevel uint, proofDb ethdb.Putter) error {
 	// Collect all nodes on the path to key.
 	key = keybytesToHex(key)
-	nodes := []node{}
+	var nodes []node
 	tn := t.root
 	for len(key) > 0 && tn != nil {
 		switch n := tn.(type) {