Quit on window close when the app has no event callback

Without yasl_app_desc.event, a close request had nowhere to go and the
window stayed open. The runner now stops instead, so hello drops its
event callback.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/examples/hello.c b/examples/hello.c
index d3d74cf..38a0cac 100644
--- a/examples/hello.c
+++ b/examples/hello.c
@@ -1,16 +1,8 @@
 /* A complete CPU-rendered window. Build instructions: docs/getting-started.md. */
 #include <yasl/app.h>
-
 #include <stdio.h>
 
 static bool failed;
-
-static enum yasl_app_result event(void *ud, const struct yasl_event *event)
-{
-    (void)ud;
-    return event->type == YASL_EVENT_WINDOW_CLOSE ? YASL_APP_QUIT : YASL_APP_CONTINUE;
-}
-
 static void draw(void *ud, struct yasl_surface *surface, struct yasl_frame_context *frame)
 {
     (void)ud;
@@ -31,7 +23,6 @@ int main(void)
     struct yasl_app_desc desc = {
         .app_id = "org.example.hello",
         .window = &window,
-        .event = event,
         .frame = draw,
     };
     int result = yasl_run(&desc);