started fixing clippy issues

src/repo.rs

@@ -69,7 +69,7 @@ pub fn split_tag_from_repo(input: &str) -> Result<(&str, &str), Error> {
 
 pub fn split_repo_without_tag(repo: &str) -> Result<Repo, Error> {
     let repo = repo.trim();
-    let split_repo: Vec<&str> = repo.split("/").collect();
+    let split_repo: Vec<&str> = repo.split('/').collect();
     match split_repo.len() {
         1 => {
             let regex = regex::Regex::new(r"[a-z0-9]+").unwrap();

src/ui/default.rs

@@ -129,7 +129,7 @@ impl Ui {
                             }
                             Ok(tag) => tag,
                         };
-                        repo.push_str(":");
+                        repo.push(':');
                         repo.push_str(&tag);
                         ui.services.change_current_line(repo);
                     }

src/widget/service_switcher.rs

@@ -104,10 +104,7 @@ impl ServiceSwitcher {
 
     /// finds the next image tag in given file
     pub fn find_next_match(&mut self) -> bool {
-        let current_line: usize = match self.state.selected() {
-            None => 0,
-            Some(i) => i,
-        };
+        let current_line: usize = self.state.selected().unwrap_or(0);
 
         let mut i = (current_line + 1) % self.list.len();
         loop {
@@ -131,10 +128,7 @@ impl ServiceSwitcher {
 
     /// finds the previous image tag in given file
     pub fn find_previous_match(&mut self) -> bool {
-        let current_line: usize = match self.state.selected() {
-            None => 0,
-            Some(i) => i,
-        };
+        let current_line: usize = self.state.selected().unwrap_or(0);
 
         let mut i: usize = if current_line == 0 {
             self.list.len() - 1
@@ -165,10 +159,10 @@ impl ServiceSwitcher {
     /// return the repository from currently selected row
     pub fn extract_repo(&self) -> Result<String, Error> {
         match self.state.selected() {
-            None => return Err(Error::NoneSelected),
+            None => Err(Error::NoneSelected),
             Some(i) => match repo::match_yaml_image(&self.list[i]) {
-                Err(_) => return Err(Error::Parsing(String::from("Nothing found"))),
-                Ok((_, repo)) => return Ok(repo.to_string()),
+                Err(_) => Err(Error::Parsing(String::from("Nothing found"))),
+                Ok((_, repo)) => Ok(repo.to_string()),
             },
         }
     }

src/widget/tag_list.rs

@@ -163,7 +163,7 @@ impl TagList {
     /// select next tag
     fn next(&mut self) {
         match self.state.selected() {
-            None if self.lines.len() > 0 => self.state.select(Some(0)),
+            None if !self.lines.is_empty() => self.state.select(Some(0)),
             None => (),
             Some(i) if i == self.lines.len() - 1 => self.state.select(Some(0)),
             Some(i) => self.state.select(Some(i + 1)),
@@ -173,7 +173,7 @@ impl TagList {
     /// select previous tag
     fn previous(&mut self) {
         match self.state.selected() {
-            None if self.lines.len() > 0 => self.state.select(Some(self.lines.len())),
+            None if !self.lines.is_empty() => self.state.select(Some(self.lines.len())),
             None => (),
             Some(i) if i == 0 => self.state.select(Some(self.lines.len() - 1)),
             Some(i) => self.state.select(Some(i - 1)),