apps/gophers: upgrade to new layout.List API

Signed-off-by: Elias Naur <mail@eliasnaur.com>

apps/go.mod

@@ -3,7 +3,7 @@ module gioui.org/apps
 go 1.12
 
 require (
-	gioui.org/ui v0.0.0-20190711133118-bcd5685e78c6
+	gioui.org/ui v0.0.0-20190711160716-fe4a61ec890f
 	github.com/google/go-github/v24 v24.0.1
 	golang.org/x/exp v0.0.0-20190627132806-fd42eb6b336f
 	golang.org/x/image v0.0.0-20190703141733-d6a02ce849c9

apps/gophers/main.go

@@ -428,13 +428,8 @@ func (up *userPage) Layout(ops *ui.Ops, cs layout.Constraints) layout.Dimens {
 		up.commits = commits
 	default:
 	}
-	l.Init(ops, cs, len(up.commits))
+	for l.Init(ops, cs, len(up.commits)); l.More(); l.Next() {
-	for {
+		l.Elem(up.commit(ops, l.Constraints(), l.Index()))
-		i, cs, ok := l.Next()
-		if !ok {
-			break
-		}
-		l.End(up.commit(ops, cs, i))
 	}
 	return l.Layout()
 }
@@ -561,19 +556,13 @@ func (a *App) layoutContributors(ops *ui.Ops, cs layout.Constraints) layout.Dime
 	if l.Dragging() {
 		key.HideInputOp{}.Add(ops)
 	}
-	l.Init(ops, cs, len(a.users))
+	for l.Init(ops, cs, len(a.users)); l.More(); l.Next() {
-	for {
+		l.Elem(a.user(c, ops, l.Constraints(), l.Index()))
-		i, cs, ok := l.Next()
-		if !ok {
-			break
-		}
-		l.End(a.user(ops, cs, c, i))
 	}
-	dims := l.Layout()
+	return l.Layout()
-	return dims
 }
 
-func (a *App) user(ops *ui.Ops, cs layout.Constraints, c ui.Config, index int) layout.Dimens {
+func (a *App) user(c ui.Config, ops *ui.Ops, cs layout.Constraints, index int) layout.Dimens {
 	u := a.users[index]
 	click := &a.userClicks[index]
 	for {