fix: clippy

src/config.rs

@@ -691,15 +691,11 @@ impl RelativeSize {
   }
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
 pub struct HookSet {
   hooks: HashMap<String, Hook>
 }
 
-impl Default for HookSet {
-  fn default() -> HookSet { HookSet { hooks: Default::default() } }
-}
-
 impl HookSet {
   pub fn execute(&self, which: &str, root: &Option<&String>) -> Result<()> {
     if let Some(hook) = self.hooks.get(which) {

src/git.rs

@@ -863,15 +863,11 @@ impl fmt::Display for FromTagBuf {
   }
 }
 
-#[derive(Deserialize, Debug)]
+#[derive(Deserialize, Debug, Default)]
 pub struct Auth {
   github_token: Option<String>
 }
 
-impl Default for Auth {
-  fn default() -> Auth { Auth { github_token: None } }
-}
-
 impl Auth {
   pub fn github_token(&self) -> &Option<String> { &self.github_token }
   pub fn set_github_token(&mut self, token: Option<String>) { self.github_token = token; }

src/init.rs

@@ -311,7 +311,7 @@ impl FileVersionSummary {
   }
 }
 
-fn yaml_escape_single(val: &str) -> String { val.replace("'", "''") }
+fn yaml_escape_single(val: &str) -> String { val.replace('\'', "''") }
 
 struct TagVersionSummary {}
 

src/mono.rs

@@ -226,15 +226,11 @@ fn read_user_prefs() -> Result<UserPrefs> {
   Ok(user_prefs)
 }
 
-#[derive(Deserialize, Debug)]
+#[derive(Deserialize, Debug, Default)]
 struct UserPrefs {
   auth: Auth
 }
 
-impl Default for UserPrefs {
-  fn default() -> UserPrefs { UserPrefs { auth: Default::default() } }
-}
-
 impl UserPrefs {
   fn auth(&self) -> &Auth { &self.auth }
   fn auth_mut(&mut self) -> &mut Auth { &mut self.auth }

src/state.rs

@@ -304,15 +304,11 @@ impl CommitState {
   }
 }
 
-#[derive(Deserialize, Serialize)]
+#[derive(Deserialize, Serialize, Default)]
 pub struct PrevTagMessage {
   versions: HashMap<ProjectId, String>
 }
 
-impl Default for PrevTagMessage {
-  fn default() -> PrevTagMessage { PrevTagMessage { versions: HashMap::new() } }
-}
-
 impl PrevTagMessage {
   pub fn new(versions: HashMap<ProjectId, String>) -> PrevTagMessage { PrevTagMessage { versions } }
   pub fn into_versions(self) -> HashMap<ProjectId, String> { self.versions }