Move example into its own file.

example_test.go

@@ -0,0 +1,25 @@
+package sprig
+
+import (
+	"fmt"
+	"os"
+	"text/template"
+)
+
+func Example() {
+	// Set up variables and template.
+	vars := map[string]interface{}{"Name": "  John Jacob Jingleheimer Schmidt "}
+	tpl := `Hello {{.Name | trim | lower}}`
+
+	// Get the Sprig function map.
+	fmap := TxtFuncMap()
+	t := template.Must(template.New("test").Funcs(fmap).Parse(tpl))
+
+	err := t.Execute(os.Stdout, vars)
+	if err != nil {
+		fmt.Printf("Error during template execution: %s", err)
+		return
+	}
+	// Output:
+	// Hello john jacob jingleheimer schmidt
+}

functions_test.go

@@ -14,22 +14,6 @@ import (
 	"github.com/aokoli/goutils"
 )
 
-func Example() {
-	vars := map[string]interface{}{"Name": "  John Jacob Jingleheimer Schmidt "}
-	tpl := `Hello {{.Name | trim | lower}}`
-	fmap := TxtFuncMap()
-	t := template.Must(template.New("test").Funcs(fmap).Parse(tpl))
-	var b bytes.Buffer
-	err := t.Execute(&b, vars)
-	if err != nil {
-		fmt.Printf("Error during template execution: %s", err)
-		return
-	}
-	fmt.Println(b.String())
-	// Output:
-	// Hello john jacob jingleheimer schmidt
-}
-
 // This is woefully incomplete. Please help.
 
 func TestSubstr(t *testing.T) {