PR #102 Followed @BrainMaestro's suggestions

Also ran cargo fmt.

src/app.rs

@@ -143,7 +143,7 @@ impl App {
             true_color: is_truecolor_terminal(),
             output_components: self.output_components()?,
             language: self.matches.value_of("language"),
-            output_wrap: if ! self.interactive_output {
+            output_wrap: if !self.interactive_output {
                 // We don't have the tty width when piping to another program.
                 // There's no point in wrapping when this is the case.
                 OutputWrap::None

src/printer.rs

@@ -41,7 +41,7 @@ impl<'a> Printer<'a> {
         };
 
         // Generate the panel (gutter) width.
-        let decorations = instance.gen_decorations(0);
+        let decorations = instance.line_decorations(0);
         instance.panel_width = decorations.len() + decorations.iter().fold(0, |a, x| a + x.size);
 
         // Return the instance.
@@ -97,7 +97,7 @@ impl<'a> Printer<'a> {
         let mut cursor_max: usize = self.config.term_width;
 
         // Line decoration.
-        let decorations = self.gen_decorations(line_number);
+        let decorations = self.line_decorations(line_number);
         let gutter_width = decorations.len() + decorations.iter().fold(0, |a, x| a + x.size);
 
         if gutter_width > 0 {
@@ -115,7 +115,7 @@ impl<'a> Printer<'a> {
 
         // Grid border.
         let border = if gutter_width > 0 && self.config.output_components.grid() {
-            self.gen_border()
+            self.line_border()
         } else {
             PrintSegment {
                 size: 0,
@@ -131,9 +131,17 @@ impl<'a> Printer<'a> {
             let true_color = self.config.true_color;
             let colored_output = self.config.colored_output;
 
-            write!(self.handle, "{}",
+            write!(
-                   regions.iter()
+                self.handle,
-                       .map(|&(style, text)| as_terminal_escaped(style, text, true_color, colored_output))
+                "{}",
+                regions
+                    .iter()
+                    .map(|&(style, text)| as_terminal_escaped(
+                        style,
+                        text,
+                        true_color,
+                        colored_output
+                    ))
                     .collect::<Vec<_>>()
                     .join("")
             )?;
@@ -164,7 +172,6 @@ impl<'a> Printer<'a> {
                     }
 
                     // It wraps.
-                    if self.config.output_wrap == OutputWrap::Character {
                     let text = chars.by_ref().take(available).collect::<String>();
                     cursor = 0;
                     remaining -= available;
@@ -185,7 +192,6 @@ impl<'a> Printer<'a> {
                     continue;
                 }
             }
-            }
 
             write!(self.handle, "\n")?;
         }
@@ -194,25 +200,23 @@ impl<'a> Printer<'a> {
         Ok(())
     }
 
-    /// Generates all the line decorations.
+    fn line_decorations(&self, line_number: usize) -> Vec<PrintSegment> {
-    fn gen_decorations(&self, line_number: usize) -> Vec<PrintSegment> {
         let mut decorations = Vec::new();
 
         if self.config.output_components.numbers() {
-            decorations.push(self.gen_deco_line_number(line_number));
+            decorations.push(self.line_number(line_number));
         }
 
         if self.config.output_components.changes() {
-            decorations.push(self.gen_deco_line_changes(line_number));
+            decorations.push(self.line_changes(line_number));
         }
 
         return decorations;
     }
 
-    /// Generates the decoration for displaying the line number.
+    fn line_number(&self, line_number: usize) -> PrintSegment {
-    fn gen_deco_line_number(&self, line_number: usize) -> PrintSegment {
         let plain: String = format!("{:width$}", line_number, width = LINE_NUMBER_WIDTH);
-        let color = self.colors.line_number.paint(plain.to_owned());
+        let color = self.colors.line_number.paint(plain.clone());
 
         return PrintSegment {
             text: color.to_string(),
@@ -220,8 +224,7 @@ impl<'a> Printer<'a> {
         };
     }
 
-    /// Generates the decoration for displaying the git changes.
+    fn line_changes(&self, line_number: usize) -> PrintSegment {
-    fn gen_deco_line_changes(&self, line_number: usize) -> PrintSegment {
         let color = if let Some(ref changes) = self.line_changes {
             match changes.get(&(line_number as u32)) {
                 Some(&LineChange::Added) => self.colors.git_added.paint("+"),
@@ -240,8 +243,7 @@ impl<'a> Printer<'a> {
         };
     }
 
-    /// Generates the vertical grid border.
+    fn line_border(&self) -> PrintSegment {
-    fn gen_border(&self) -> PrintSegment {
         return PrintSegment {
             text: self.colors.grid.paint("│ ").to_string(),
             size: 2,

src/style.rs

@@ -16,7 +16,7 @@ pub enum OutputComponent {
 #[derive(Debug, Eq, PartialEq, Copy, Clone, Hash)]
 pub enum OutputWrap {
     Character,
-    None
+    None,
 }
 
 impl OutputComponent {

src/terminal.rs

@@ -1,5 +1,3 @@
-use std::fmt::Write;
-
 use ansi_term::Colour::{Fixed, RGB};
 use ansi_term::Style;
 use syntect::highlighting::{self, FontStyle};
@@ -32,7 +30,6 @@ pub fn as_terminal_escaped(
     true_color: bool,
     colored: bool,
 ) -> String {
-
     let style = if !colored {
         Style::default()
     } else {
@@ -54,9 +51,7 @@ pub fn as_terminal_escaped(
         }
     };
 
-    let mut s: String = String::new();
+    style.paint(text).to_string()
-    write!(s, "{}", style.paint(text)).unwrap();
-    return s;
 }
 
 #[test]