Fix clippy lints

src/config.rs

@@ -1718,10 +1718,10 @@ mod tests {
             .expect("deserialize config");
 
         // Sanity check that mouse bindings are being parsed
-        assert!(config.mouse_bindings.len() >= 1);
+        assert!(!config.mouse_bindings.is_empty());
 
         // Sanity check that key bindings are being parsed
-        assert!(config.key_bindings.len() >= 1);
+        assert!(!config.key_bindings.is_empty());
     }
 }
 

src/display.rs

@@ -162,8 +162,8 @@ impl Display {
             let height = cell_height as u32 * dimensions.lines_u32();
 
             let new_viewport_size = Size {
-                width: Pixels(width + 2 * config.padding().x as u32),
-                height: Pixels(height + 2 * config.padding().y as u32),
+                width: Pixels(width + 2 * u32::from(config.padding().x)),
+                height: Pixels(height + 2 * u32::from(config.padding().y)),
             };
 
             window.set_inner_size(&new_viewport_size);
@@ -178,8 +178,8 @@ impl Display {
             height: viewport_size.height.0 as f32,
             cell_width: cell_width as f32,
             cell_height: cell_height as f32,
-            padding_x: config.padding().x as f32,
-            padding_y: config.padding().y as f32,
+            padding_x: f32::from(config.padding().x),
+            padding_y: f32::from(config.padding().y),
         };
 
         // Channel for resize events
@@ -238,8 +238,8 @@ impl Display {
         // font metrics should be computed before creating the window in the first
         // place so that a resize is not needed.
         let metrics = glyph_cache.font_metrics();
-        let cell_width = metrics.average_advance as f32 + font.offset().x as f32;
-        let cell_height = metrics.line_height as f32 + font.offset().y as f32;
+        let cell_width = metrics.average_advance as f32 + f32::from(font.offset().x);
+        let cell_height = metrics.line_height as f32 + f32::from(font.offset().y);
 
         // Prevent invalid cell sizes
         if cell_width < 1. || cell_height < 1. {

src/event.rs

@@ -57,17 +57,16 @@ impl<'a, N: Notify + 'a> input::ActionContext for ActionContext<'a, N> {
 
     fn copy_selection(&self, buffer: ::copypasta::Buffer) {
         if let Some(ref selection) = *self.selection {
-            selection.to_span(self.terminal)
-                .map(|span| {
-                    let buf = self.terminal.string_from_selection(&span);
-                    if !buf.is_empty() {
-                        Clipboard::new()
-                            .and_then(|mut clipboard| clipboard.store(buf, buffer))
-                            .unwrap_or_else(|err| {
-                                warn!("Error storing selection to clipboard. {}", Red(err));
-                            });
-                    }
-                });
+            if let Some(ref span) = selection.to_span(self.terminal) {
+                let buf = self.terminal.string_from_selection(&span);
+                if !buf.is_empty() {
+                    Clipboard::new()
+                        .and_then(|mut clipboard| clipboard.store(buf, buffer))
+                        .unwrap_or_else(|err| {
+                            warn!("Error storing selection to clipboard. {}", Red(err));
+                        });
+                }
+            }
         }
     }
 

src/main.rs

@@ -94,9 +94,9 @@ fn run(mut config: Config, options: &cli::Options) -> Result<(), Box<Error>> {
     logging::initialize(options)?;
 
     info!("Welcome to Alacritty.");
-    config.path().map(|config_path| {
+    if let Some(config_path) = config.path() {
         info!("Configuration loaded from {}", config_path.display());
-    });
+    };
 
     // Create a display.
     //
@@ -179,15 +179,16 @@ fn run(mut config: Config, options: &cli::Options) -> Result<(), Box<Error>> {
         let mut terminal = processor.process_events(&terminal, display.window());
 
         // Handle config reloads
-        config_monitor.as_ref()
+        if let Some(new_config) = config_monitor
+            .as_ref()
             .and_then(|monitor| monitor.pending_config())
-            .map(|new_config| {
-                config = new_config;
-                display.update_config(&config);
-                processor.update_config(&config);
-                terminal.update_config(&config);
-                terminal.dirty = true;
-            });
+        {
+            config = new_config;
+            display.update_config(&config);
+            processor.update_config(&config);
+            terminal.update_config(&config);
+            terminal.dirty = true;
+        }
 
         // Maybe draw the terminal
         if terminal.needs_draw() {

src/renderer/mod.rs

@@ -285,8 +285,8 @@ impl GlyphCache {
                 let mut rasterized = rasterizer.get_glyph(glyph_key)
                     .unwrap_or_else(|_| Default::default());
 
-                rasterized.left += glyph_offset.x as i32;
-                rasterized.top += glyph_offset.y as i32;
+                rasterized.left += i32::from(glyph_offset.x);
+                rasterized.top += i32::from(glyph_offset.y);
                 rasterized.top -= metrics.descent as i32;
 
                 loader.load_glyph(&rasterized)
@@ -719,8 +719,8 @@ impl QuadRenderer {
     }
 
     pub fn resize(&mut self, width: i32, height: i32) {
-        let padding_x = self.program.padding_x as i32;
-        let padding_y = self.program.padding_y as i32;
+        let padding_x = i32::from(self.program.padding_x);
+        let padding_y = i32::from(self.program.padding_y);
 
         // viewport
         unsafe {
@@ -1030,8 +1030,8 @@ impl ShaderProgram {
 
     fn update_projection(&self, width: f32, height: f32) {
         // Bounds check
-        if (width as u32) < (2 * self.padding_x as u32) ||
-            (height as u32) < (2 * self.padding_y as u32)
+        if (width as u32) < (2 * u32::from(self.padding_x)) ||
+            (height as u32) < (2 * u32::from(self.padding_y))
         {
             return;
         }
@@ -1041,8 +1041,14 @@ impl ShaderProgram {
         // NB Not sure why padding change only requires changing the vertical
         //    translation in the projection, but this makes everything work
         //    correctly.
-        let ortho = cgmath::ortho(0., width - 2. * self.padding_x as f32, 2. * self.padding_y as f32,
-            height, -1., 1.);
+        let ortho = cgmath::ortho(
+            0.,
+            width - 2. * f32::from(self.padding_x),
+            2. * f32::from(self.padding_y),
+            height,
+            -1.,
+            1.,
+        );
         let projection: [[f32; 4]; 4] = ortho.into();
 
         info!("width: {}, height: {}", width, height);

src/term/mod.rs

@@ -917,8 +917,9 @@ impl Term {
 
                     let range = Some(cols.start..line_end);
                     if cols.end >= grid.num_cols() - 1 {
-                        range.as_ref()
-                            .map(|range| self.maybe_newline(grid, line, range.end));
+                        if let Some(ref range) = range {
+                            self.maybe_newline(grid, line, range.end);
+                        }
                     }
 
                     range

src/util.rs

@@ -57,13 +57,13 @@ pub mod fmt {
 
                 impl<T: fmt::Display> fmt::Display for $s<T> {
                     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-                        write!(f, "\x1b[{}m{}\x1b[0m", $color, self.0)
+                        write!(f, concat!("\x1b[", $color, "m{}\x1b[0m"), self.0)
                     }
                 }
 
                 impl<T: fmt::Debug> fmt::Debug for $s<T> {
                     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-                        write!(f, "\x1b[{}m{:?}\x1b[0m", $color, self.0)
+                        write!(f, concat!("\x1b[", $color, "m{:?}\x1b[0m"), self.0)
                     }
                 }
             )*