From 690b0f8ff5795318dfa3834a5a75d6623e7d934a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Mon, 1 May 2017 18:40:34 +0200
Subject: tpl: Add docshelper for template funcs

And fix some other minor related issues.

Updates #3418
---
 tpl/fmt/fmt.go  | 13 +++++++------
 tpl/fmt/init.go | 35 +++++++++++++++++++++++++----------
 2 files changed, 32 insertions(+), 16 deletions(-)

(limited to 'tpl/fmt')

diff --git a/tpl/fmt/fmt.go b/tpl/fmt/fmt.go
index 5e320fede..ca31ec522 100644
--- a/tpl/fmt/fmt.go
+++ b/tpl/fmt/fmt.go
@@ -26,14 +26,15 @@ func New() *Namespace {
 type Namespace struct {
 }
 
-func (ns *Namespace) Print(a ...interface{}) (n int, err error) {
-	return _fmt.Print(a...)
+func (ns *Namespace) Print(a ...interface{}) string {
+	return _fmt.Sprint(a...)
 }
 
-func (ns *Namespace) Printf(format string, a ...interface{}) (n int, err error) {
-	return _fmt.Printf(format, a...)
+func (ns *Namespace) Printf(format string, a ...interface{}) string {
+	return _fmt.Sprintf(format, a...)
+
 }
 
-func (ns *Namespace) Println(a ...interface{}) (n int, err error) {
-	return _fmt.Println(a...)
+func (ns *Namespace) Println(a ...interface{}) string {
+	return _fmt.Sprintln(a...)
 }
diff --git a/tpl/fmt/init.go b/tpl/fmt/init.go
index 0f4296263..98070b777 100644
--- a/tpl/fmt/init.go
+++ b/tpl/fmt/init.go
@@ -24,18 +24,33 @@ func init() {
 	f := func(d *deps.Deps) *internal.TemplateFuncsNamespace {
 		ctx := New()
 
-		examples := [][2]string{
-			{`{{ print "works!" }}`, `works!`},
-			{`{{ printf "%s!" "works" }}`, `works!`},
-			{`{{ println "works!" }}`, "works!\n"},
+		ns := &internal.TemplateFuncsNamespace{
+			Name:    name,
+			Context: func() interface{} { return ctx },
 		}
 
-		return &internal.TemplateFuncsNamespace{
-			Name:     name,
-			Context:  func() interface{} { return ctx },
-			Aliases:  map[string]interface{}{},
-			Examples: examples,
-		}
+		ns.AddMethodMapping(ctx.Print,
+			[]string{"print"},
+			[][2]string{
+				{`{{ print "works!" }}`, `works!`},
+			},
+		)
+
+		ns.AddMethodMapping(ctx.Println,
+			[]string{"println"},
+			[][2]string{
+				{`{{ println "works!" }}`, "works!\n"},
+			},
+		)
+
+		ns.AddMethodMapping(ctx.Printf,
+			[]string{"printf"},
+			[][2]string{
+				{`{{ printf "%s!" "works" }}`, `works!`},
+			},
+		)
+
+		return ns
 
 	}
 
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