From 20a3b4e71b3706e1ee15a8f3d3d9640fd3a8b460 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Tue, 18 Dec 2018 13:05:32 +0100
Subject: Move reading of calendar file to function.

---
 src/main.rs | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 43cdc5b..af10ccb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -55,11 +55,15 @@ fn print_event(event: &ical::parser::ical::component::IcalEvent) {
         summary);
 }
 
-fn main() {
-    let buf = BufReader::new(File::open("test.ics").unwrap());
-    let calendars: Vec<_> = ical::IcalParser::new(buf)
+fn read_icalendar_from_file(filename: &str) -> std::io::Result<Vec<ical::parser::ical::component::IcalCalendar>> {
+    let buf = BufReader::new(File::open(filename)?);
+    Ok(ical::IcalParser::new(buf)
         .filter_map(|c| c.ok())
-        .collect();
+        .collect())
+}
+
+fn main() {
+    let calendars = read_icalendar_from_file("test.ics").unwrap();
     println!("Found {} calendard in file...", calendars.len());
 
     for c in calendars {
-- 
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