From 87390cdd99b3afbe07daeef9abe96f57d03cb352 Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Thu, 24 Oct 2019 23:18:02 +0800
Subject: Resolve #511, allow empty columns in the pivot table

---
 calcchain.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'calcchain.go')

diff --git a/calcchain.go b/calcchain.go
index b4cadef..7cc175c 100644
--- a/calcchain.go
+++ b/calcchain.go
@@ -56,7 +56,7 @@ type xlsxCalcChainCollection []xlsxCalcChainC
 
 // Filter provides a function to filter calculation chain.
 func (c xlsxCalcChainCollection) Filter(fn func(v xlsxCalcChainC) bool) []xlsxCalcChainC {
-	results := make([]xlsxCalcChainC, 0)
+	var results []xlsxCalcChainC
 	for _, v := range c {
 		if fn(v) {
 			results = append(results, v)
-- 
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