Implement ToString rather than providing own ::to_string() function

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 10 insertions, 7 deletions

diff --git a/src/vcalendar.rs b/src/vcalendar.rs
index bbd388a..f925df3 100644
--- a/src/vcalendar.rs
+++ b/src/vcalendar.rs
@@ -2,6 +2,7 @@ use std::ffi::{CStr, CString};
 use std::io;
 use std::path::{Path, PathBuf};
 use std::rc::Rc;
+use std::string::ToString;
 
 use super::IcalComponent;
 use super::IcalTime;
@@ -98,13 +99,6 @@ impl IcalVCalendar {
         self
     }
 
-    pub fn to_string(&self) -> String {
-        unsafe {
-            let ical_cstr = CStr::from_ptr(ical::icalcomponent_as_ical_string(self.get_ptr()));
-            ical_cstr.to_string_lossy().into_owned()
-        }
-    }
-
     pub fn get_uid(&self) -> String {
         unsafe {
             let uid_cstr = CStr::from_ptr(ical::icalcomponent_get_uid(
@@ -358,6 +352,15 @@ impl IcalVCalendar {
     }
 }
 
+impl ToString for IcalVCalendar {
+    fn to_string(&self) -> String {
+        unsafe {
+            let ical_cstr = CStr::from_ptr(ical::icalcomponent_as_ical_string(self.get_ptr()));
+            ical_cstr.to_string_lossy().into_owned()
+        }
+    }
+}
+
 impl<'a> IcalEventIter<'a> {
     fn from_vcalendar(cal: &'a IcalVCalendar) -> Self {
         let vevent_kind = ical::icalcomponent_kind_ICAL_VEVENT_COMPONENT;