Be less verbose when constructing an object

The rust compiler does some fancy things for us: It automatically finds
the right fields if the name of the variable and the file is the same.

Lets use that to reduce boilerplate with this patch.

lib/core/libimagerror/src/iter.rs

@@ -143,7 +143,7 @@ pub trait TraceIterator<T, E> : Iterator<Item = Result<T, E>> + Sized {
     fn unwrap_with<F>(self, f: F) -> UnwrapWith<Self, F>
         where F: FnMut(E)
     {
-        UnwrapWith { iter: self, f: f }
+        UnwrapWith { iter: self, f }
     }
 }
 

lib/core/libimagstore/src/store.rs

@@ -148,7 +148,7 @@ impl StoreEntry {
         }
 
         Ok(StoreEntry {
-            id: id,
+            id,
             file: backend.new_instance(pb),
             status: StoreEntryStatus::Present,
         })
@@ -758,10 +758,7 @@ impl<'a> FileLockEntry<'a, > {
     ///
     /// Only for internal use.
     fn new(store: &'a Store, entry: Entry) -> FileLockEntry<'a> {
-        FileLockEntry {
-            store: store,
-            entry: entry,
-        }
+        FileLockEntry { store, entry }
     }
 }
 
@@ -883,8 +880,8 @@ impl Entry {
 
         Ok(Entry {
             location: loc.into_storeid()?,
-            header: header,
-            content: content,
+            header,
+            content,
         })
     }
 

lib/core/libimagstore/src/storeid.rs

@@ -80,7 +80,7 @@ impl StoreId {
             debug!("Building Storeid object baseless");
             Ok(StoreId {
                 base: None,
-                id: id
+                id
             })
         }
     }
@@ -255,9 +255,7 @@ impl Debug for StoreIdIterator {
 impl StoreIdIterator {
 
     pub fn new(iter: Box<Iterator<Item = StoreId>>) -> StoreIdIterator {
-        StoreIdIterator {
-            iter: iter,
-        }
+        StoreIdIterator { iter }
     }
 
 }

lib/etc/libimagnotification/src/result_notification.rs

@@ -44,7 +44,7 @@ pub mod err {
     impl ErrorNotification {
         pub fn new(trace: usize, timeout: i32) -> ErrorNotification {
             let notif = Notification {
-                timeout: timeout,
+                timeout,
                 message: String::new(), // Not used in this special case
                 summary: "[Error]".to_owned(),
                 urgency: Urgency::High,

lib/etc/libimagtimeui/src/date.rs

@@ -30,11 +30,7 @@ pub struct Date {
 impl Date {
 
     pub fn new(year: i32, month: u32, day: u32) -> Date {
-        Date {
-            year: year,
-            month: month,
-            day: day,
-        }
+        Date { year, month, day }
     }
 
     pub fn year(&self) -> i32 {

lib/etc/libimagtimeui/src/datetime.rs

@@ -31,10 +31,7 @@ pub struct DateTime {
 impl DateTime {
 
     pub fn new(date: Date, time: Time) -> DateTime {
-        DateTime {
-            date: date,
-            time: time
-        }
+        DateTime { date, time }
     }
 
     pub fn date(&self) -> &Date {

lib/etc/libimagtimeui/src/time.rs

@@ -30,11 +30,7 @@ pub struct Time {
 impl Time {
 
     pub fn new(hour: u32, minute: u32, second: u32) -> Time {
-        Time {
-            hour: hour,
-            minute: minute,
-            second: second
-        }
+        Time { hour, minute, second }
     }
 
     pub fn hour(&self) -> u32 {