diff --git a/examples/basic.rs b/examples/basic.rs
index baa80ce..662eb36 100644
--- a/examples/basic.rs
+++ b/examples/basic.rs
@@ -15,7 +15,9 @@ fn main() {
     thread::sleep(Duration::from_millis(1500));
 
     let file = std::fs::File::open("examples/beep2.wav").unwrap();
-    rodio::play_once(&endpoint, BufReader::new(file)).unwrap().detach();
+    rodio::play_once(&endpoint, BufReader::new(file))
+        .unwrap()
+        .detach();
     println!("Started beep2");
 
     thread::sleep(Duration::from_millis(1500));
diff --git a/src/buffer.rs b/src/buffer.rs
index 7a3c0a8..b5b2643 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -3,7 +3,7 @@
 //! The `SamplesBuffer` struct can be used to treat a list of values as a `Source`.
 //!
 //! # Example
-//! 
+//!
 //! ```
 //! use rodio::buffer::SamplesBuffer;
 //! let _ = SamplesBuffer::new(1, 44100, vec![1i16, 2, 3, 4, 5, 6]);
@@ -25,7 +25,9 @@ pub struct SamplesBuffer<S> {
     duration: Duration,
 }
 
-impl<S> SamplesBuffer<S> where S: Sample {
+impl<S> SamplesBuffer<S>
+    where S: Sample
+{
     /// Builds a new `SamplesBuffer`.
     ///
     /// # Panic
@@ -42,8 +44,10 @@ impl<S> SamplesBuffer<S> where S: Sample {
         assert!(samples_rate != 0);
 
         let data = data.into();
-        let duration_ns = 1_000_000_000u64.checked_mul(data.len() as u64).unwrap() / samples_rate as u64 / channels as u64;
-        let duration = Duration::new(duration_ns / 1_000_000_000, (duration_ns % 1_000_000_000) as u32);
+        let duration_ns = 1_000_000_000u64.checked_mul(data.len() as u64).unwrap() /
+                          samples_rate as u64 / channels as u64;
+        let duration = Duration::new(duration_ns / 1_000_000_000,
+                                     (duration_ns % 1_000_000_000) as u32);
 
         SamplesBuffer {
             data: data.into_iter(),
@@ -54,7 +58,9 @@ impl<S> SamplesBuffer<S> where S: Sample {
     }
 }
 
-impl<S> Source for SamplesBuffer<S> where S: Sample {
+impl<S> Source for SamplesBuffer<S>
+    where S: Sample
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         None
@@ -76,7 +82,9 @@ impl<S> Source for SamplesBuffer<S> where S: Sample {
     }
 }
 
-impl<S> Iterator for SamplesBuffer<S> where S: Sample {
+impl<S> Iterator for SamplesBuffer<S>
+    where S: Sample
+{
     type Item = S;
 
     #[inline]
diff --git a/src/conversions/channels.rs b/src/conversions/channels.rs
index e4d156f..ca1b79e 100644
--- a/src/conversions/channels.rs
+++ b/src/conversions/channels.rs
@@ -84,8 +84,9 @@ impl<I> Iterator for ChannelsCountConverter<I>
         let min = (min / self.from as usize) * self.to as usize +
                   self.next_output_sample_pos as usize;
         let max = max.map(|max| {
-            (max / self.from as usize) * self.to as usize + self.next_output_sample_pos as usize
-        });
+                              (max / self.from as usize) * self.to as usize +
+                              self.next_output_sample_pos as usize
+                          });
 
         (min, max)
     }
diff --git a/src/conversions/samples_rate.rs b/src/conversions/samples_rate.rs
index 5aa4562..1e937f8 100644
--- a/src/conversions/samples_rate.rs
+++ b/src/conversions/samples_rate.rs
@@ -64,8 +64,14 @@ impl<I> SamplesRateConverter<I>
             debug_assert_eq!(from, gcd);
             (Vec::new(), Vec::new())
         } else {
-            let first = input.by_ref().take(num_channels as usize).collect::<Vec<_>>();
-            let next = input.by_ref().take(num_channels as usize).collect::<Vec<_>>();
+            let first = input
+                .by_ref()
+                .take(num_channels as usize)
+                .collect::<Vec<_>>();
+            let next = input
+                .by_ref()
+                .take(num_channels as usize)
+                .collect::<Vec<_>>();
             (first, next)
         };
 
@@ -153,7 +159,10 @@ impl<I> Iterator for SamplesRateConverter<I>
         let mut result = None;
         let numerator = (self.from * self.next_output_frame_pos_in_chunk) % self.to;
         for (off, (cur, next)) in
-            self.current_frame.iter().zip(self.next_frame.iter()).enumerate() {
+            self.current_frame
+                .iter()
+                .zip(self.next_frame.iter())
+                .enumerate() {
             let sample = Sample::lerp(cur.clone(), next.clone(), numerator, self.to);
 
             if off == 0 {
@@ -197,10 +206,11 @@ impl<I> Iterator for SamplesRateConverter<I>
                 samples_after_chunk
             };
             // removing the samples of the current chunk that have not yet been read
-            let samples_after_chunk = samples_after_chunk.saturating_sub(
-                self.from.saturating_sub(self.current_frame_pos_in_chunk + 2) as usize *
-                    self.current_frame.capacity()
-            );
+            let samples_after_chunk = samples_after_chunk
+                .saturating_sub(self.from
+                                    .saturating_sub(self.current_frame_pos_in_chunk + 2) as
+                                usize *
+                                self.current_frame.capacity());
             // calculating the number of samples after the transformation
             // TODO: this is wrong here \|/
             let samples_after_chunk = samples_after_chunk * self.to as usize / self.from as usize;
diff --git a/src/decoder/flac.rs b/src/decoder/flac.rs
index 1a06e33..daabff0 100644
--- a/src/decoder/flac.rs
+++ b/src/decoder/flac.rs
@@ -32,15 +32,15 @@ impl<R> FlacDecoder<R>
         let spec = reader.streaminfo();
 
         Ok(FlacDecoder {
-            reader: reader,
-            current_block: Vec::with_capacity(spec.max_block_size as usize *
-                                              spec.channels as usize),
-            current_block_channel_len: 1,
-            current_block_off: 0,
-            bits_per_sample: spec.bits_per_sample,
-            samples_rate: spec.sample_rate,
-            channels: spec.channels as u16,
-        })
+               reader: reader,
+               current_block: Vec::with_capacity(spec.max_block_size as usize *
+                                                 spec.channels as usize),
+               current_block_channel_len: 1,
+               current_block_off: 0,
+               bits_per_sample: spec.bits_per_sample,
+               samples_rate: spec.sample_rate,
+               channels: spec.channels as u16,
+           })
     }
 }
 
@@ -78,7 +78,9 @@ impl<R> Iterator for FlacDecoder<R>
         loop {
             if self.current_block_off < self.current_block.len() {
                 // Read from current block.
-                let real_offset = (self.current_block_off % self.channels as usize) * self.current_block_channel_len + self.current_block_off / self.channels as usize;
+                let real_offset = (self.current_block_off % self.channels as usize) *
+                                  self.current_block_channel_len +
+                                  self.current_block_off / self.channels as usize;
                 let raw_val = self.current_block[real_offset];
                 self.current_block_off += 1;
                 let real_val = if self.bits_per_sample == 16 {
@@ -98,7 +100,7 @@ impl<R> Iterator for FlacDecoder<R>
                 Ok(Some(block)) => {
                     self.current_block_channel_len = (block.len() / block.channels()) as usize;
                     self.current_block = block.into_buffer();
-                },
+                }
                 _ => return None,
             }
         }
diff --git a/src/decoder/vorbis.rs b/src/decoder/vorbis.rs
index 41287da..b46bc43 100644
--- a/src/decoder/vorbis.rs
+++ b/src/decoder/vorbis.rs
@@ -37,9 +37,9 @@ impl<R> VorbisDecoder<R>
         };
 
         Ok(VorbisDecoder {
-            stream_reader: stream_reader,
-            current_data: data.into_iter(),
-        })
+               stream_reader: stream_reader,
+               current_data: data.into_iter(),
+           })
     }
 }
 
@@ -76,13 +76,19 @@ impl<R> Iterator for VorbisDecoder<R>
     fn next(&mut self) -> Option<i16> {
         if let Some(sample) = self.current_data.next() {
             if self.current_data.len() == 0 {
-                if let Some(data) = self.stream_reader.read_dec_packet_itl().ok().and_then(|v| v) {
+                if let Some(data) = self.stream_reader
+                       .read_dec_packet_itl()
+                       .ok()
+                       .and_then(|v| v) {
                     self.current_data = data.into_iter();
                 }
             }
             return Some(sample);
         } else {
-            if let Some(data) = self.stream_reader.read_dec_packet_itl().ok().and_then(|v| v) {
+            if let Some(data) = self.stream_reader
+                   .read_dec_packet_itl()
+                   .ok()
+                   .and_then(|v| v) {
                 self.current_data = data.into_iter();
             }
             return self.current_data.next();
diff --git a/src/decoder/wav.rs b/src/decoder/wav.rs
index 24933b3..e7509fd 100644
--- a/src/decoder/wav.rs
+++ b/src/decoder/wav.rs
@@ -31,10 +31,10 @@ impl<R> WavDecoder<R>
         };
 
         Ok(WavDecoder {
-            reader: reader,
-            samples_rate: spec.sample_rate,
-            channels: spec.channels,
-        })
+               reader: reader,
+               samples_rate: spec.sample_rate,
+               channels: spec.channels,
+           })
     }
 }
 
diff --git a/src/dynamic_mixer.rs b/src/dynamic_mixer.rs
index 7eb43d5..df9d4ed 100644
--- a/src/dynamic_mixer.rs
+++ b/src/dynamic_mixer.rs
@@ -17,15 +17,17 @@ use Sample;
 /// added to the mixer will be converted to these values.
 ///
 /// After creating a mixer, you can add new sounds with the controller.
-pub fn mixer<S>(channels: u16, samples_rate: u32) -> (Arc<DynamicMixerController<S>>, DynamicMixer<S>)
+pub fn mixer<S>(channels: u16,
+                samples_rate: u32)
+                -> (Arc<DynamicMixerController<S>>, DynamicMixer<S>)
     where S: Sample + Send + 'static
 {
     let input = Arc::new(DynamicMixerController {
-        has_pending: AtomicBool::new(false),
-        pending_sources: Mutex::new(Vec::new()),
-        channels: channels,
-        samples_rate: samples_rate,
-    });
+                             has_pending: AtomicBool::new(false),
+                             pending_sources: Mutex::new(Vec::new()),
+                             channels: channels,
+                             samples_rate: samples_rate,
+                         });
 
     let output = DynamicMixer {
         current_sources: Vec::with_capacity(16),
@@ -43,15 +45,20 @@ pub struct DynamicMixerController<S> {
     samples_rate: u32,
 }
 
-impl<S> DynamicMixerController<S> where S: Sample + Send + 'static {
+impl<S> DynamicMixerController<S>
+    where S: Sample + Send + 'static
+{
     /// Adds a new source to mix to the existing ones.
     #[inline]
     pub fn add<T>(&self, source: T)
         where T: Source<Item = S> + Send + 'static
     {
         let uniform_source = UniformSourceIterator::new(source, self.channels, self.samples_rate);
-        self.pending_sources.lock().unwrap().push(Box::new(uniform_source) as Box<_>);
-        self.has_pending.store(true, Ordering::SeqCst);     // TODO: can we relax this ordering?
+        self.pending_sources
+            .lock()
+            .unwrap()
+            .push(Box::new(uniform_source) as Box<_>);
+        self.has_pending.store(true, Ordering::SeqCst); // TODO: can we relax this ordering?
     }
 }
 
@@ -64,7 +71,9 @@ pub struct DynamicMixer<S> {
     input: Arc<DynamicMixerController<S>>,
 }
 
-impl<S> Source for DynamicMixer<S> where S: Sample + Send + 'static {
+impl<S> Source for DynamicMixer<S>
+    where S: Sample + Send + 'static
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         None
@@ -86,15 +95,18 @@ impl<S> Source for DynamicMixer<S> where S: Sample + Send + 'static {
     }
 }
 
-impl<S> Iterator for DynamicMixer<S> where S: Sample + Send + 'static {
+impl<S> Iterator for DynamicMixer<S>
+    where S: Sample + Send + 'static
+{
     type Item = S;
 
     #[inline]
     fn next(&mut self) -> Option<S> {
-        if self.input.has_pending.load(Ordering::SeqCst) {      // TODO: relax ordering?
+        if self.input.has_pending.load(Ordering::SeqCst) {
+            // TODO: relax ordering?
             let mut pending = self.input.pending_sources.lock().unwrap();
             self.current_sources.extend(pending.drain(..));
-            self.input.has_pending.store(false, Ordering::SeqCst);      // TODO: relax ordering?
+            self.input.has_pending.store(false, Ordering::SeqCst); // TODO: relax ordering?
         }
 
         if self.current_sources.is_empty() {
diff --git a/src/engine.rs b/src/engine.rs
index 4debe31..83b2bec 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -77,7 +77,7 @@ impl Engine {
                     e.insert(Arc::downgrade(&mixer));
                     voice_to_start = Some(voice);
                     mixer
-                },
+                }
                 Entry::Occupied(mut e) => {
                     if let Some(m) = e.get().upgrade() {
                         m.clone()
@@ -87,7 +87,7 @@ impl Engine {
                         voice_to_start = Some(voice);
                         mixer
                     }
-                },
+                }
             }
         };
 
@@ -100,10 +100,12 @@ impl Engine {
 }
 
 // TODO: handle possible errors here
-fn new_voice(endpoint: &Endpoint, events_loop: &Arc<EventLoop>)
+fn new_voice(endpoint: &Endpoint,
+             events_loop: &Arc<EventLoop>)
              -> (Arc<dynamic_mixer::DynamicMixerController<f32>>, Voice) {
     // Determine the format to use for the new voice.
-    let format = endpoint.get_supported_formats_list()
+    let format = endpoint
+        .get_supported_formats_list()
         .unwrap()
         .fold(None, |f1, f2| {
             if f1.is_none() {
@@ -113,8 +115,7 @@ fn new_voice(endpoint: &Endpoint, events_loop: &Arc<EventLoop>)
             let f1 = f1.unwrap();
 
             // We privilege f32 formats to avoid a conversion.
-            if f2.data_type == cpal::SampleFormat::F32 &&
-                f1.data_type != cpal::SampleFormat::F32 {
+            if f2.data_type == cpal::SampleFormat::F32 && f1.data_type != cpal::SampleFormat::F32 {
                 return Some(f2);
             }
 
@@ -132,8 +133,7 @@ fn new_voice(endpoint: &Endpoint, events_loop: &Arc<EventLoop>)
         })
         .expect("The endpoint doesn't support any format!?");
 
-    let (voice, stream) = Voice::new(&endpoint, &format, events_loop)
-        .unwrap();
+    let (voice, stream) = Voice::new(&endpoint, &format, events_loop).unwrap();
 
     let (mixer_tx, mut mixer_rx) = {
         dynamic_mixer::mixer::<f32>(format.channels.len() as u16, format.samples_rate.0)
diff --git a/src/queue.rs b/src/queue.rs
index 2a322cb..bb3db94 100644
--- a/src/queue.rs
+++ b/src/queue.rs
@@ -26,14 +26,13 @@ use Sample;
 ///   a new sound.
 /// - If you pass `false`, then the queue will report that it has finished playing.
 ///
-pub fn queue<S>(keep_alive_if_empty: bool)
-                -> (Arc<SourcesQueueInput<S>>, SourcesQueueOutput<S>)
+pub fn queue<S>(keep_alive_if_empty: bool) -> (Arc<SourcesQueueInput<S>>, SourcesQueueOutput<S>)
     where S: Sample + Send + 'static
 {
     let input = Arc::new(SourcesQueueInput {
-        next_sounds: Mutex::new(Vec::new()),
-        keep_alive_if_empty: AtomicBool::new(keep_alive_if_empty),
-    });
+                             next_sounds: Mutex::new(Vec::new()),
+                             keep_alive_if_empty: AtomicBool::new(keep_alive_if_empty),
+                         });
 
     let output = SourcesQueueOutput {
         current: Box::new(Empty::<S>::new()) as Box<_>,
@@ -54,13 +53,18 @@ pub struct SourcesQueueInput<S> {
     keep_alive_if_empty: AtomicBool,
 }
 
-impl<S> SourcesQueueInput<S> where S: Sample + Send + 'static {
+impl<S> SourcesQueueInput<S>
+    where S: Sample + Send + 'static
+{
     /// Adds a new source to the end of the queue.
     #[inline]
     pub fn append<T>(&self, source: T)
         where T: Source<Item = S> + Send + 'static
     {
-        self.next_sounds.lock().unwrap().push((Box::new(source) as Box<_>, None));
+        self.next_sounds
+            .lock()
+            .unwrap()
+            .push((Box::new(source) as Box<_>, None));
     }
 
     /// Adds a new source to the end of the queue.
@@ -71,7 +75,10 @@ impl<S> SourcesQueueInput<S> where S: Sample + Send + 'static {
         where T: Source<Item = S> + Send + 'static
     {
         let (tx, rx) = mpsc::channel();
-        self.next_sounds.lock().unwrap().push((Box::new(source) as Box<_>, Some(tx)));
+        self.next_sounds
+            .lock()
+            .unwrap()
+            .push((Box::new(source) as Box<_>, Some(tx)));
         rx
     }
 
@@ -79,7 +86,8 @@ impl<S> SourcesQueueInput<S> where S: Sample + Send + 'static {
     ///
     /// See also the constructor.
     pub fn set_keep_alive_if_empty(&self, keep_alive_if_empty: bool) {
-        self.keep_alive_if_empty.store(keep_alive_if_empty, Ordering::Release);
+        self.keep_alive_if_empty
+            .store(keep_alive_if_empty, Ordering::Release);
     }
 }
 
@@ -95,7 +103,9 @@ pub struct SourcesQueueOutput<S> {
     input: Arc<SourcesQueueInput<S>>,
 }
 
-impl<S> Source for SourcesQueueOutput<S> where S: Sample + Send + 'static {
+impl<S> Source for SourcesQueueOutput<S>
+    where S: Sample + Send + 'static
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         // This function is non-trivial because the boundary between two sounds in the queue should
@@ -144,7 +154,9 @@ impl<S> Source for SourcesQueueOutput<S> where S: Sample + Send + 'static {
     }
 }
 
-impl<S> Iterator for SourcesQueueOutput<S> where S: Sample + Send + 'static {
+impl<S> Iterator for SourcesQueueOutput<S>
+    where S: Sample + Send + 'static
+{
     type Item = S;
 
     #[inline]
@@ -169,7 +181,9 @@ impl<S> Iterator for SourcesQueueOutput<S> where S: Sample + Send + 'static {
     }
 }
 
-impl<S> SourcesQueueOutput<S> where S: Sample + Send + 'static {
+impl<S> SourcesQueueOutput<S>
+    where S: Sample + Send + 'static
+{
     // Called when `current` is empty and we must jump to the next element.
     // Returns `Ok` if the sound should continue playing, or an error if it should stop.
     //
@@ -185,7 +199,7 @@ impl<S> SourcesQueueOutput<S> where S: Sample + Send + 'static {
             if next.len() == 0 {
                 if self.input.keep_alive_if_empty.load(Ordering::Acquire) {
                     // Play a short silence in order to avoid spinlocking.
-                    let silence = Zero::<S>::new(1, 44000);          // TODO: meh
+                    let silence = Zero::<S>::new(1, 44000); // TODO: meh
                     (Box::new(silence.take_duration(Duration::from_millis(10))) as Box<_>, None)
                 } else {
                     return Err(());
@@ -208,7 +222,7 @@ mod tests {
     use source::Source;
 
     #[test]
-    #[ignore]       // FIXME: samples rate and channel not updated immediately after transition
+    #[ignore] // FIXME: samples rate and channel not updated immediately after transition
     fn basic() {
         let (tx, mut rx) = queue::queue(false);
 
@@ -252,7 +266,7 @@ mod tests {
     }
 
     #[test]
-    #[ignore]           // TODO: not yet implemented
+    #[ignore] // TODO: not yet implemented
     fn no_delay_when_added() {
         let (tx, mut rx) = queue::queue(true);
 
diff --git a/src/sink.rs b/src/sink.rs
index d1997fc..8214d8a 100644
--- a/src/sink.rs
+++ b/src/sink.rs
@@ -58,14 +58,15 @@ impl Sink {
             .pausable(false)
             .amplify(1.0)
             .stoppable()
-            .periodic_access(Duration::from_millis(5), move |src| {
-                if stopped.load(Ordering::SeqCst) {
-                    src.stop();
-                } else {
-                    src.inner_mut().set_factor(*volume.lock().unwrap());
-                    src.inner_mut().inner_mut().set_paused(pause.load(Ordering::SeqCst));
-                }
-            })
+            .periodic_access(Duration::from_millis(5),
+                             move |src| if stopped.load(Ordering::SeqCst) {
+                                 src.stop();
+                             } else {
+                                 src.inner_mut().set_factor(*volume.lock().unwrap());
+                                 src.inner_mut()
+                                     .inner_mut()
+                                     .set_paused(pause.load(Ordering::SeqCst));
+                             })
             .convert_samples();
 
         *self.sleep_until_end.lock().unwrap() = Some(self.queue_tx.append_with_signal(source));
diff --git a/src/source/amplify.rs b/src/source/amplify.rs
index 268771c..fad7ba7 100644
--- a/src/source/amplify.rs
+++ b/src/source/amplify.rs
@@ -55,7 +55,9 @@ impl<I> Iterator for Amplify<I>
 
     #[inline]
     fn next(&mut self) -> Option<I::Item> {
-        self.input.next().map(|value| value.amplify(self.factor))
+        self.input
+            .next()
+            .map(|value| value.amplify(self.factor))
     }
 
     #[inline]
diff --git a/src/source/buffered.rs b/src/source/buffered.rs
index c3767c2..7cf0599 100644
--- a/src/source/buffered.rs
+++ b/src/source/buffered.rs
@@ -75,14 +75,17 @@ fn extract<I>(mut input: I) -> Arc<Frame<I>>
 
     let channels = input.channels();
     let rate = input.samples_rate();
-    let data = input.by_ref().take(cmp::min(frame_len.unwrap_or(32768), 32768)).collect();
+    let data = input
+        .by_ref()
+        .take(cmp::min(frame_len.unwrap_or(32768), 32768))
+        .collect();
 
     Arc::new(Frame::Data(FrameData {
-        data: data,
-        channels: channels,
-        rate: rate,
-        next: Mutex::new(Arc::new(Frame::Input(Mutex::new(Some(input))))),
-    }))
+                             data: data,
+                             channels: channels,
+                             rate: rate,
+                             next: Mutex::new(Arc::new(Frame::Input(Mutex::new(Some(input))))),
+                         }))
 }
 
 impl<I> Buffered<I>
diff --git a/src/source/delay.rs b/src/source/delay.rs
index 8f22357..33543b9 100644
--- a/src/source/delay.rs
+++ b/src/source/delay.rs
@@ -9,8 +9,7 @@ pub fn delay<I>(input: I, duration: Duration) -> Delay<I>
           I::Item: Sample
 {
     let duration_ns = duration.as_secs() * 1000000000 + duration.subsec_nanos() as u64;
-    let samples = duration_ns * input.samples_rate() as u64 * input.channels() as u64 /
-                  1000000000;
+    let samples = duration_ns * input.samples_rate() as u64 * input.channels() as u64 / 1000000000;
 
     Delay {
         input: input,
@@ -60,7 +59,9 @@ impl<I> Source for Delay<I>
 {
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
-        self.input.current_frame_len().map(|val| val + self.remaining_samples)
+        self.input
+            .current_frame_len()
+            .map(|val| val + self.remaining_samples)
     }
 
     #[inline]
@@ -75,6 +76,8 @@ impl<I> Source for Delay<I>
 
     #[inline]
     fn total_duration(&self) -> Option<Duration> {
-        self.input.total_duration().map(|val| val + self.requested_duration)
+        self.input
+            .total_duration()
+            .map(|val| val + self.requested_duration)
     }
 }
diff --git a/src/source/empty.rs b/src/source/empty.rs
index 31ba27c..5bd86fc 100644
--- a/src/source/empty.rs
+++ b/src/source/empty.rs
@@ -23,7 +23,9 @@ impl<S> Iterator for Empty<S> {
     }
 }
 
-impl<S> Source for Empty<S> where S: Sample {
+impl<S> Source for Empty<S>
+    where S: Sample
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         None
diff --git a/src/source/from_factory.rs b/src/source/from_factory.rs
index b0a0a1b..04c74ea 100644
--- a/src/source/from_factory.rs
+++ b/src/source/from_factory.rs
@@ -11,9 +11,7 @@ use source::FromIter;
 pub fn from_factory<F, S>(factory: F) -> FromIter<FromFactoryIter<F>>
     where F: FnMut() -> Option<S>
 {
-    from_iter(FromFactoryIter {
-        factory: factory,
-    })
+    from_iter(FromFactoryIter { factory: factory })
 }
 
 /// Internal type used by `from_factory`.
diff --git a/src/source/from_iter.rs b/src/source/from_iter.rs
index e21dcdd..fb5924b 100644
--- a/src/source/from_iter.rs
+++ b/src/source/from_iter.rs
@@ -24,7 +24,9 @@ pub fn from_iter<I>(iterator: I) -> FromIter<I::IntoIter>
 
 /// A source that chains sources provided by an iterator.
 #[derive(Clone)]
-pub struct FromIter<I> where I: Iterator {
+pub struct FromIter<I>
+    where I: Iterator
+{
     // The iterator that provides sources.
     iterator: I,
     // Is only ever `None` if the first element of the iterator is `None`.
@@ -140,15 +142,14 @@ mod tests {
 
     #[test]
     fn basic() {
-        let mut rx = from_iter((0..2).map(|n| {
-            if n == 0 {
-                SamplesBuffer::new(1, 48000, vec![10i16, -10, 10, -10])
-            } else if n == 1 {
+        let mut rx =
+            from_iter((0..2).map(|n| if n == 0 {
+                                     SamplesBuffer::new(1, 48000, vec![10i16, -10, 10, -10])
+                                 } else if n == 1 {
                 SamplesBuffer::new(2, 96000, vec![5i16, 5, 5, 5])
             } else {
                 unreachable!()
-            }
-        }));
+            }));
 
         assert_eq!(rx.channels(), 1);
         assert_eq!(rx.samples_rate(), 48000);
@@ -157,7 +158,8 @@ mod tests {
         assert_eq!(rx.next(), Some(10));
         assert_eq!(rx.next(), Some(-10));
         /*assert_eq!(rx.channels(), 2);
-        assert_eq!(rx.samples_rate(), 96000);*/     // FIXME: not working
+        assert_eq!(rx.samples_rate(), 96000);*/
+ // FIXME: not working
         assert_eq!(rx.next(), Some(5));
         assert_eq!(rx.next(), Some(5));
         assert_eq!(rx.next(), Some(5));
diff --git a/src/source/mod.rs b/src/source/mod.rs
index d727d0d..4a2d9d0 100644
--- a/src/source/mod.rs
+++ b/src/source/mod.rs
@@ -235,7 +235,8 @@ pub trait Source: Iterator
     /// Converts the samples of this source to another type.
     #[inline]
     fn convert_samples<D>(self) -> SamplesConverter<Self, D>
-        where Self: Sized, D: Sample
+        where Self: Sized,
+              D: Sample
     {
         SamplesConverter::new(self)
     }
@@ -259,7 +260,9 @@ pub trait Source: Iterator
     }
 }
 
-impl<S> Source for Box<Source<Item = S>> where S: Sample {
+impl<S> Source for Box<Source<Item = S>>
+    where S: Sample
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         (**self).current_frame_len()
@@ -281,7 +284,9 @@ impl<S> Source for Box<Source<Item = S>> where S: Sample {
     }
 }
 
-impl<S> Source for Box<Source<Item = S> + Send> where S: Sample {
+impl<S> Source for Box<Source<Item = S> + Send>
+    where S: Sample
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         (**self).current_frame_len()
@@ -303,7 +308,9 @@ impl<S> Source for Box<Source<Item = S> + Send> where S: Sample {
     }
 }
 
-impl<S> Source for Box<Source<Item = S> + Send + Sync> where S: Sample {
+impl<S> Source for Box<Source<Item = S> + Send + Sync>
+    where S: Sample
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         (**self).current_frame_len()
diff --git a/src/source/periodic.rs b/src/source/periodic.rs
index 2258a95..72ea0ee 100644
--- a/src/source/periodic.rs
+++ b/src/source/periodic.rs
@@ -6,7 +6,7 @@ use Source;
 /// Internal function that builds a `PeriodicAccess` object.
 pub fn periodic<I, F>(source: I, period: Duration, modifier: F) -> PeriodicAccess<I, F>
     where I: Source,
-          I::Item: Sample,
+          I::Item: Sample
 {
     // TODO: handle the fact that the samples rate can change
     // TODO: generally, just wrong
diff --git a/src/source/uniform.rs b/src/source/uniform.rs
index 6fae6a9..9e1d1cc 100644
--- a/src/source/uniform.rs
+++ b/src/source/uniform.rs
@@ -86,7 +86,14 @@ impl<I, D> Iterator for UniformSourceIterator<I, D>
             return Some(value);
         }
 
-        let input = self.inner.take().unwrap().into_inner().into_inner().into_inner().iter;
+        let input = self.inner
+            .take()
+            .unwrap()
+            .into_inner()
+            .into_inner()
+            .into_inner()
+            .iter;
+
         let mut input =
             UniformSourceIterator::bootstrap(input, self.target_channels, self.target_samples_rate);
 
diff --git a/src/source/zero.rs b/src/source/zero.rs
index 2662ec3..c7b984a 100644
--- a/src/source/zero.rs
+++ b/src/source/zero.rs
@@ -22,7 +22,9 @@ impl<S> Zero<S> {
     }
 }
 
-impl<S> Iterator for Zero<S> where S: Sample {
+impl<S> Iterator for Zero<S>
+    where S: Sample
+{
     type Item = S;
 
     #[inline]
@@ -31,7 +33,9 @@ impl<S> Iterator for Zero<S> where S: Sample {
     }
 }
 
-impl<S> Source for Zero<S> where S: Sample {
+impl<S> Source for Zero<S>
+    where S: Sample
+{
     #[inline]
     fn current_frame_len(&self) -> Option<usize> {
         None