fix clippy lints

src/main.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::new_without_default)]
 extern crate bunt;
 extern crate dirs;
 extern crate tempfile;
@@ -112,7 +113,7 @@ impl BrowserState {
 			return false;
 		}
 		let _ = tmpfile.keep();
-		return true;
+		true
 	}
 
 	pub fn add_link(
@@ -357,7 +358,7 @@ impl BrowserState {
 			link = self.history.clone();
 			while let Some(l) = link {
 				let fresh10 = history_key;
-				history_key = history_key + 1;
+				history_key += 1;
 				make_key_str(fresh10, &mut a, &mut b, &mut c);
 				bunt::println!("{[green]}{[green]}{[green]} {}:{}/{}", a, b, c, (*l).host, (*l).port, (*l).selector,);
 				link = (*l).next
@@ -398,7 +399,7 @@ impl BrowserState {
 					if self.parse_uri(bookmark) {
 						self.view_directory(
 							&self.parsed_host.clone(),
-							self.parsed_port.clone(),
+							self.parsed_port,
 							&self.parsed_selector.clone(),
 							false,
 						);
@@ -561,8 +562,8 @@ impl BrowserState {
 		let mut uri: String = self.config.start_uri.clone();
 		/* parse command line */
 		while i < argv.len() {
-			if argv[i].chars().next() == Some('-') {
-				match argv[i].chars().skip(1).next() {
+			if argv[i].starts_with('-') {
+				match argv[i].chars().nth(1) {
 					Some('H') => {
 						usage();
 					}
@@ -588,7 +589,7 @@ impl BrowserState {
 		/* main loop */
 		self.view_directory(
 			&self.parsed_host.clone(),
-			self.parsed_port.clone(),
+			self.parsed_port,
 			&self.parsed_selector.clone(),
 			false,
 		); /* to display the prompt */
@@ -628,8 +629,8 @@ impl BrowserState {
 					self.download_link(
 						make_key(
 							line.chars().next().unwrap(),
-							line.chars().skip(1).next().unwrap_or('\0'),
-							line.chars().skip(2).next().unwrap_or('\0'))
+							line.chars().nth(1).unwrap_or('\0'),
+							line.chars().nth(2).unwrap_or('\0'))
 							.unwrap_or(0),
 					);
 				}
@@ -637,15 +638,15 @@ impl BrowserState {
 					if i == 1 || i == 3 || i == 4 {
 						self.view_history(make_key(
 							line.chars().next().unwrap(),
-							line.chars().skip(1).next().unwrap_or('\0'),
-							line.chars().skip(2).next().unwrap_or('\0'),
+							line.chars().nth(1).unwrap_or('\0'),
+							line.chars().nth(2).unwrap_or('\0'),
 						));
 					},
 				Some('G') => {
 					if self.parse_uri(&line[1..]) {
 						self.view_directory(
 							&self.parsed_host.clone(),
-							self.parsed_port.clone(),
+							self.parsed_port,
 							&self.parsed_selector.clone(),
 							true,
 						);
@@ -657,16 +658,16 @@ impl BrowserState {
 					if i == 1 || i == 3 || i == 4 {
 						self.view_bookmarks(make_key(
 							line.chars().next().unwrap(),
-							line.chars().skip(1).next().unwrap_or('\0'),
-							line.chars().skip(2).next().unwrap_or('\0'),
+							line.chars().nth(1).unwrap_or('\0'),
+							line.chars().nth(2).unwrap_or('\0'),
 						));
 					},
-				x if !x.is_none() => {
+				x if x.is_some() => {
 					self.follow_link(
 						make_key(
 							line.chars().next().unwrap(),
-							line.chars().skip(1).next().unwrap_or('\0'),
-							line.chars().skip(2).next().unwrap_or('\0'))
+							line.chars().nth(1).unwrap_or('\0'),
+							line.chars().nth(2).unwrap_or('\0'))
 							.unwrap_or(0),
 					);
 				}

src/util.rs

@@ -42,16 +42,16 @@ pub fn make_key(c1: char, c2: char, c3: char) -> Option<usize> {
 	}
 	if c3 == '\0' {
 		Some(
-			(c1 as u8 - 'a' as u8) as usize * ('z' as usize - 'a' as usize + 1)
-				+ (c2 as u8 - 'a' as u8) as usize,
+			(c1 as u8 - b'a') as usize * ('z' as usize - 'a' as usize + 1)
+				+ (c2 as u8 - b'a') as usize,
 		)
 	} else {
 		Some(
-			((c1 as u8 - 'a' as u8) as usize + 1)
+			((c1 as u8 - b'a') as usize + 1)
 				* ('z' as usize - 'a' as usize + 1)
 				* ('z' as usize - 'a' as usize + 1)
-				+ ((c2 as u8 - 'a' as u8) as usize) * ('z' as usize - 'a' as usize + 1)
-				+ ((c3 as u8 - 'a' as u8) as usize),
+				+ ((c2 as u8 - b'a') as usize) * ('z' as usize - 'a' as usize + 1)
+				+ ((c3 as u8 - b'a') as usize),
 		)
 	}
 }
@@ -85,11 +85,7 @@ pub fn make_key_str(
 }
 
 pub fn is_valid_directory_entry(kind: char) -> bool {
-	match kind {
-		'i' | '3' | '.' | '0' | '1' | '5' | '7' | '8' | '9' | 'g' | 'I' | 'p' | 'h' | '2' | 'd'
-		| 's' => true,
-		_ => false,
-	}
+	matches!(kind, 'i' | '3' | '.' | '0' | '1' | '5' | '7' | '8' | '9' | 'g' | 'I' | 'p' | 'h' | '2' | 'd'| 's')
 }
 
 pub fn view_telnet(host: &str, port: u16) {