diff --git a/src/utils/counter.rs b/src/utils/counter.rs
new file mode 100644
index 0000000..5a13875
--- /dev/null
+++ b/src/utils/counter.rs
@@ -0,0 +1,30 @@
+use std::sync::Arc;
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+/// Atomic counter used by [`ProgressBar`].
+///
+/// [`ProgressBar`]: ../views/struct.ProgressBar.html
+#[derive(Clone)]
+pub struct Counter(pub Arc<AtomicUsize>);
+
+impl Counter {
+    /// Creates a new `Counter` starting with the given value.
+    pub fn new(value: usize) -> Self {
+        Counter(Arc::new(AtomicUsize::new(value)))
+    }
+
+    /// Retrieves the current progress value.
+    pub fn get(&self) -> usize {
+        self.0.load(Ordering::Relaxed)
+    }
+
+    /// Sets the current progress value.
+    pub fn set(&self, value: usize) {
+        self.0.store(value, Ordering::Relaxed);
+    }
+
+    /// Increase the current progress by `ticks`.
+    pub fn tick(&self, ticks: usize) {
+        self.0.fetch_add(ticks, Ordering::Relaxed);
+    }
+}
diff --git a/src/utils/lines/simple/lines_iterator.rs b/src/utils/lines/simple/lines_iterator.rs
index 8305739..c14696d 100644
--- a/src/utils/lines/simple/lines_iterator.rs
+++ b/src/utils/lines/simple/lines_iterator.rs
@@ -70,6 +70,10 @@ impl<'a> Iterator for LinesIterator<'a> {
 
         let width = row.width;
 
-        Some(Row { start, end, width })
+        Some(Row {
+            start,
+            end,
+            width,
+        })
     }
 }
diff --git a/src/utils/lines/spans/chunk_iterator.rs b/src/utils/lines/spans/chunk_iterator.rs
index a92fa73..9034279 100644
--- a/src/utils/lines/spans/chunk_iterator.rs
+++ b/src/utils/lines/spans/chunk_iterator.rs
@@ -47,7 +47,10 @@ where
         }
 
         // Skip empty spans
-        if self.source.spans()[self.current_span].as_ref().is_empty() {
+        if self.source.spans()[self.current_span]
+            .as_ref()
+            .is_empty()
+        {
             self.current_span += 1;
             return self.next();
         }
@@ -120,9 +123,13 @@ where
                 self.current_span += 1;
 
                 // Skip empty spans
-                while let Some(true) =
-                    self.source.spans().get(self.current_span).map(|span| {
-                        span.as_ref().resolve(self.source.source()).is_empty()
+                while let Some(true) = self.source
+                    .spans()
+                    .get(self.current_span)
+                    .map(|span| {
+                        span.as_ref()
+                            .resolve(self.source.source())
+                            .is_empty()
                     }) {
                     self.current_span += 1;
                 }
diff --git a/src/utils/lines/spans/lines_iterator.rs b/src/utils/lines/spans/lines_iterator.rs
index 5acd9af..e14e831 100644
--- a/src/utils/lines/spans/lines_iterator.rs
+++ b/src/utils/lines/spans/lines_iterator.rs
@@ -76,8 +76,11 @@ where
             self.width
         };
 
-        let mut chunks =
-            prefix(&mut self.iter, allowed_width, &mut self.chunk_offset);
+        let mut chunks = prefix(
+            &mut self.iter,
+            allowed_width,
+            &mut self.chunk_offset,
+        );
 
         // println!("Chunks..: {:?}", chunks);
 
@@ -162,6 +165,9 @@ where
 
         // TODO: merge consecutive segments of the same span
 
-        Some(Row { segments, width })
+        Some(Row {
+            segments,
+            width,
+        })
     }
 }
diff --git a/src/utils/lines/spans/mod.rs b/src/utils/lines/spans/mod.rs
index 2fbda35..ab4c275 100644
--- a/src/utils/lines/spans/mod.rs
+++ b/src/utils/lines/spans/mod.rs
@@ -4,13 +4,13 @@
 //!
 //! Computed rows will include a list of span segments.
 //! Each segment include the source span ID, and start/end byte offsets.
-mod lines_iterator;
-mod chunk_iterator;
-mod segment_merge_iterator;
-mod row;
-mod prefix;
 mod chunk;
+mod chunk_iterator;
+mod lines_iterator;
+mod prefix;
+mod row;
 mod segment;
+mod segment_merge_iterator;
 
 #[cfg(test)]
 mod tests;
diff --git a/src/utils/lines/spans/tests.rs b/src/utils/lines/spans/tests.rs
index f4d645c..32fe742 100644
--- a/src/utils/lines/spans/tests.rs
+++ b/src/utils/lines/spans/tests.rs
@@ -8,7 +8,9 @@ fn input() -> StyledString {
     text.append(StyledString::styled("didn't", Effect::Bold));
     text.append(StyledString::plain(" say "));
     text.append(StyledString::styled("half", Effect::Italic));
-    text.append(StyledString::plain(" the things people say I did."));
+    text.append(StyledString::plain(
+        " the things people say I did.",
+    ));
     text.append(StyledString::plain("\n"));
     text.append(StyledString::plain("\n"));
     text.append(StyledString::plain("    - A. Einstein"));
diff --git a/src/utils/markup/markdown.rs b/src/utils/markup/markdown.rs
index 781b5fe..0bf983e 100644
--- a/src/utils/markup/markdown.rs
+++ b/src/utils/markup/markdown.rs
@@ -139,8 +139,10 @@ Attention
 ====
 I *really* love __Cursive__!";
         let spans = parse_spans(input);
-        let spans: Vec<_> =
-            spans.iter().map(|span| span.resolve(input)).collect();
+        let spans: Vec<_> = spans
+            .iter()
+            .map(|span| span.resolve(input))
+            .collect();
 
         // println!("{:?}", spans);
         assert_eq!(
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 06d9b9b..88ee597 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -1,8 +1,10 @@
 //! Toolbox to make text layout easier.
 
-mod reader;
-pub mod span;
+mod counter;
 pub mod lines;
 pub mod markup;
+mod reader;
+pub mod span;
 
+pub use self::counter::Counter;
 pub use self::reader::ProgressReader;
diff --git a/src/utils/reader.rs b/src/utils/reader.rs
index 056ccea..03ccad0 100644
--- a/src/utils/reader.rs
+++ b/src/utils/reader.rs
@@ -1,5 +1,5 @@
 use std::io::{self, Read};
-use views::Counter;
+use utils::Counter;
 
 /// Wrapper around a `Read` that reports the progress made.
 ///
diff --git a/src/views/mod.rs b/src/views/mod.rs
index b26217a..3661037 100644
--- a/src/views/mod.rs
+++ b/src/views/mod.rs
@@ -77,7 +77,7 @@ pub use self::menu_popup::MenuPopup;
 pub use self::menubar::Menubar;
 pub use self::on_event_view::OnEventView;
 pub use self::panel::Panel;
-pub use self::progress_bar::{Counter, ProgressBar};
+pub use self::progress_bar::ProgressBar;
 pub use self::radio::{RadioButton, RadioGroup};
 pub use self::select_view::SelectView;
 pub use self::shadow_view::ShadowView;
diff --git a/src/views/progress_bar.rs b/src/views/progress_bar.rs
index 44538e4..3377024 100644
--- a/src/views/progress_bar.rs
+++ b/src/views/progress_bar.rs
@@ -1,40 +1,13 @@
 use Printer;
 use align::HAlign;
 use std::cmp;
-use std::sync::Arc;
-use std::sync::atomic::{AtomicUsize, Ordering};
 use std::thread;
 use theme::{ColorStyle, Effect};
+use utils::Counter;
 use view::View;
 
 // pub type CbPromise = Option<Box<Fn(&mut Cursive) + Send>>;
 
-/// Atomic counter used by `ProgressBar`.
-#[derive(Clone)]
-pub struct Counter(pub Arc<AtomicUsize>);
-
-impl Counter {
-    /// Creates a new `Counter` starting with the given value.
-    pub fn new(value: usize) -> Self {
-        Counter(Arc::new(AtomicUsize::new(value)))
-    }
-
-    /// Retrieves the current progress value.
-    pub fn get(&self) -> usize {
-        self.0.load(Ordering::Relaxed)
-    }
-
-    /// Sets the current progress value.
-    pub fn set(&self, value: usize) {
-        self.0.store(value, Ordering::Relaxed);
-    }
-
-    /// Increase the current progress by `ticks`.
-    pub fn tick(&self, ticks: usize) {
-        self.0.fetch_add(ticks, Ordering::Relaxed);
-    }
-}
-
 /// Animated bar showing a progress value.
 ///
 /// This bar has an internal counter, and adapts the length of the displayed