From e5d66074ce1ed4e0fe329e3fdef66f8b6fd5dc55 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Fri, 7 Sep 2018 09:05:25 +0200
Subject: tpl/strings: Add strings.FirstUpper

Fixes #5174
---
 tpl/strings/init.go    |  7 +++++++
 tpl/strings/strings.go | 10 ++++++++++
 2 files changed, 17 insertions(+)

(limited to 'tpl')

diff --git a/tpl/strings/init.go b/tpl/strings/init.go
index 8ff4cf98f..7e638e6fc 100644
--- a/tpl/strings/init.go
+++ b/tpl/strings/init.go
@@ -155,6 +155,13 @@ func init() {
 			},
 		)
 
+		ns.AddMethodMapping(ctx.FirstUpper,
+			nil,
+			[][2]string{
+				{`{{ "hugo rocks!" | strings.FirstUpper }}`, `Hugo rocks!`},
+			},
+		)
+
 		ns.AddMethodMapping(ctx.Truncate,
 			[]string{"truncate"},
 			[][2]string{
diff --git a/tpl/strings/strings.go b/tpl/strings/strings.go
index 1864bb9e0..9b8409ed6 100644
--- a/tpl/strings/strings.go
+++ b/tpl/strings/strings.go
@@ -325,6 +325,16 @@ func (ns *Namespace) Title(s interface{}) (string, error) {
 	return ns.titleFunc(ss), nil
 }
 
+// FirstUpper returns a string with the first character as upper case.
+func (ns *Namespace) FirstUpper(s interface{}) (string, error) {
+	ss, err := cast.ToStringE(s)
+	if err != nil {
+		return "", err
+	}
+
+	return helpers.FirstUpper(ss), nil
+}
+
 // ToLower returns a copy of the input s with all Unicode letters mapped to their
 // lower case.
 func (ns *Namespace) ToLower(s interface{}) (string, error) {
-- 
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