Remove Ticker alias

The `Counter` NewType can fill this role.

examples/progress.rs

@@ -4,7 +4,7 @@ extern crate rand;
 use rand::Rng;
 
 use cursive::prelude::*;
-use cursive::view::{Counter, Ticker};
+use cursive::view::Counter;
 
 use std::thread;
 use std::cmp::min;
@@ -26,11 +26,11 @@ fn main() {
 }
 
 // Function to simulate a long process.
-fn fake_load(n_max: usize, ticker: Ticker) {
+fn fake_load(n_max: usize, counter: Counter) {
     for _ in 0..n_max {
         thread::sleep(Duration::from_millis(5));
-        // The ticker method increases the progress value
-        ticker(1);
+        // The `counter.tick()` method increases the progress value
+        counter.tick(1);
     }
 }
 
@@ -46,9 +46,9 @@ fn phase_1(s: &mut Cursive) {
     s.pop_layer();
     s.add_layer(Panel::new(FullView::full_width(ProgressBar::new()
         .range(0, n_max)
-        .with_task(move |ticker| {
+        .with_task(move |counter| {
             // This closure will be called in a separate thread.
-            fake_load(n_max, ticker);
+            fake_load(n_max, counter);
 
             // When we're done, send a callback through the channel
             cb.send(Box::new(coffee_break)).unwrap();

src/view/mod.rs

@@ -94,7 +94,7 @@ pub use self::menubar::Menubar;
 pub use self::menu_popup::MenuPopup;
 pub use self::view_path::ViewPath;
 pub use self::panel::Panel;
-pub use self::progress_bar::{Counter, ProgressBar, Ticker};
+pub use self::progress_bar::{Counter, ProgressBar};
 pub use self::select_view::SelectView;
 pub use self::shadow_view::ShadowView;
 pub use self::sized_view::SizedView;

src/view/progress_bar.rs

@@ -68,11 +68,6 @@ pub struct ProgressBar {
     label_maker: Box<Fn(usize, (usize, usize)) -> String>,
 }
 
-/// Function used by tasks given to a `ProgressBar`.
-///
-/// This function will increment the progress bar counter by the given value.
-pub type Ticker = Box<Fn(usize) + Send>;
-
 
 fn make_percentage(value: usize, (min, max): (usize, usize)) -> String {
     if value < min {
@@ -115,15 +110,12 @@ impl ProgressBar {
 
     /// Starts a function in a separate thread, and monitor the progress.
     ///
-    /// `f` will be given a `Ticker` to increment the bar's progress.
+    /// `f` will be given a `Counter` to increment the bar's progress.
     ///
     /// This does not reset the value, so it can be called several times
     /// to advance the progress in multiple sessions.
-    pub fn start<F: FnOnce(Ticker) + Send + 'static>(&mut self, f: F) {
-        let value = self.value.clone();
-        let ticker: Ticker = Box::new(move |ticks| {
-            value.tick(ticks);
-        });
+    pub fn start<F: FnOnce(Counter) + Send + 'static>(&mut self, f: F) {
+        let ticker: Counter = self.value.clone();
 
         thread::spawn(move || {
             f(ticker);
@@ -133,7 +125,7 @@ impl ProgressBar {
     /// Starts a function in a separate thread, and monitor the progress.
     ///
     /// Chainable variant.
-    pub fn with_task<F: FnOnce(Ticker) + Send + 'static>(mut self, task: F)
+    pub fn with_task<F: FnOnce(Counter) + Send + 'static>(mut self, task: F)
                                                           -> Self {
         self.start(task);
         self