From fcca8a38389c7a7f99639dc142b9b10c827ac7ce Mon Sep 17 00:00:00 2001
From: Ted <37789839+Theodoree@users.noreply.github.com>
Date: Tue, 3 Nov 2020 17:48:37 +0800
Subject: optimize memory allocation (#722)

* optimize marshal

* optimize mem alloc

* add benchmark testing

* add NewSheetWithRowNum testing

* sync struct fields order

* add BenchmarkNewSheetWithStreamWriter

* delete NewSheetWithRowNum and benchmark test
---
 lib.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib.go')

diff --git a/lib.go b/lib.go
index 88aa3a1..7dcc09e 100644
--- a/lib.go
+++ b/lib.go
@@ -206,8 +206,9 @@ func CoordinatesToCellName(col, row int) (string, error) {
 	if col < 1 || row < 1 {
 		return "", fmt.Errorf("invalid cell coordinates [%d, %d]", col, row)
 	}
+	//Using itoa will save more memory
 	colname, err := ColumnNumberToName(col)
-	return fmt.Sprintf("%s%d", colname, row), err
+	return colname + strconv.Itoa(row), err
 }
 
 // boolPtr returns a pointer to a bool with the given value.
-- 
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