From c6b082a6263bbfcfab0dcc4f4c4bb2c024c84f10 Mon Sep 17 00:00:00 2001
From: Wang Guoliang <iamwgliang@gmail.com>
Date: Fri, 24 Nov 2017 22:43:25 +0800
Subject: Replace strings.Index with strings.Contains

---
 fpdf.go     | 10 +++++-----
 template.go |  4 +---
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/fpdf.go b/fpdf.go
index a590581..1503a4e 100644
--- a/fpdf.go
+++ b/fpdf.go
@@ -1931,19 +1931,19 @@ func (f *Fpdf) CellFormat(w, h float64, txtStr string, borderStr string, ln int,
 	if len(txtStr) > 0 {
 		var dx, dy float64
 		// Horizontal alignment
-		if strings.Index(alignStr, "R") != -1 {
+		if strings.Contains(alignStr, "R") {
 			dx = w - f.cMargin - f.GetStringWidth(txtStr)
-		} else if strings.Index(alignStr, "C") != -1 {
+		} else if strings.Contains(alignStr, "C") {
 			dx = (w - f.GetStringWidth(txtStr)) / 2
 		} else {
 			dx = f.cMargin
 		}
 		// Vertical alignment
-		if strings.Index(alignStr, "T") != -1 {
+		if strings.Contains(alignStr, "T") {
 			dy = (f.fontSize - h) / 2.0
-		} else if strings.Index(alignStr, "B") != -1 {
+		} else if strings.Contains(alignStr, "B") {
 			dy = (h - f.fontSize) / 2.0
-		} else if strings.Index(alignStr, "A") != -1 {
+		} else if strings.Contains(alignStr, "A") {
 			var descent float64
 			d := f.currentFont.Desc
 			if d.Descent == 0 {
diff --git a/template.go b/template.go
index 1826fd7..60b076b 100644
--- a/template.go
+++ b/template.go
@@ -254,9 +254,7 @@ func templateChainDependencies(template Template) []Template {
 	requires := template.Templates()
 	chain := make([]Template, len(requires)*2)
 	for _, req := range requires {
-		for _, sub := range templateChainDependencies(req) {
-			chain = append(chain, sub)
-		}
+		chain = append(chain, templateChainDependencies(req)...)
 	}
 	chain = append(chain, template)
 	return chain
-- 
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