From 6a71720b71149fd252ef5dba179a63fc93b23aae Mon Sep 17 00:00:00 2001
From: Sander Schobers <sander@schobers.eu>
Date: Wed, 1 May 2019 09:40:59 +0200
Subject: [PATCH] Init function can return an error.

---
 ui/control.go | 2 +-
 ui/ui.go      | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/ui/control.go b/ui/control.go
index c74d3ec..7ad5068 100644
--- a/ui/control.go
+++ b/ui/control.go
@@ -24,5 +24,5 @@ type Control interface {
 type RootControl interface {
 	Control
 
-	Init(Context)
+	Init(Context) error
 }
diff --git a/ui/ui.go b/ui/ui.go
index 6a847d8..c1e36bd 100644
--- a/ui/ui.go
+++ b/ui/ui.go
@@ -16,7 +16,10 @@ func RunWait(r Renderer, s *Style, view Control, wait bool) error {
 	ctx := &context{r: r, style: s, view: view, ims: NewImages(r)}
 	root, ok := view.(RootControl)
 	if ok {
-		root.Init(ctx)
+		err := root.Init(ctx)
+		if err != nil {
+			return err
+		}
 	}
 	anim := time.NewTicker(30 * time.Millisecond)
 	go func() {