Implement trait Default for struct Config

src/lib.rs

@@ -65,12 +65,18 @@ pub enum PagingMode {
     Never,
 }
 
+impl Default for PagingMode {
+    fn default() -> Self {
+        Self::Never
+    }
+}
+
 use inputfile::InputFile;
 use line_range::LineRanges;
 use style::{OutputComponents, OutputWrap};
 use syntax_mapping::SyntaxMapping;
 
-#[derive(Clone)]
+#[derive(Clone, Default)]
 pub struct Config<'a> {
     /// List of files to print
     pub files: Vec<InputFile<'a>>,

src/line_range.rs

@@ -89,7 +89,7 @@ pub enum RangeCheckResult {
     AfterLastRange,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Default)]
 pub struct LineRanges {
     ranges: Vec<LineRange>,
     largest_upper_bound: usize,

src/style.rs

@@ -21,6 +21,12 @@ pub enum OutputWrap {
     None,
 }
 
+impl Default for OutputWrap {
+    fn default() -> Self {
+        Self::None
+    }
+}
+
 impl OutputComponent {
     pub fn components(self, interactive_terminal: bool) -> &'static [OutputComponent] {
         match self {
@@ -66,7 +72,7 @@ impl FromStr for OutputComponent {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, Default)]
 pub struct OutputComponents(pub HashSet<OutputComponent>);
 
 impl OutputComponents {