Move reading of calendar file to function.

1 files 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 {