From 88e4df4055afafffa1bf240ea6bbaab6f3f2ed2e Mon Sep 17 00:00:00 2001
From: Christian Rocha <christian@rocha.is>
Date: Mon, 11 May 2020 17:37:23 -0400
Subject: [PATCH] Update spinner example so it works with the spinner version
 in master

---
 examples/spinner/main.go | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/examples/spinner/main.go b/examples/spinner/main.go
index ad98e52..056216b 100644
--- a/examples/spinner/main.go
+++ b/examples/spinner/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 	"log"
 
@@ -83,14 +82,17 @@ func view(model tea.Model) string {
 	return fmt.Sprintf("\n\n   %s Loading forever...press q to quit\n\n", s)
 }
 
-func subscriptions(_ tea.Model) tea.Subs {
+func subscriptions(model tea.Model) tea.Subs {
+	m, ok := model.(Model)
+	if !ok {
+		return nil
+	}
+
+	sub, err := spinner.MakeSub(m.spinner)
+	if err != nil {
+		return nil
+	}
 	return tea.Subs{
-		"tick": func(model tea.Model) tea.Msg {
-			m, ok := model.(Model)
-			if !ok {
-				return errMsg(errors.New("could perform assertion on model in subscription"))
-			}
-			return spinner.Sub(m.spinner)
-		},
+		"tick": sub,
 	}
 }