Fix clippy lints

src/css/mod.rs

@@ -18,7 +18,7 @@ mod token;
 /// let css_minified = minify(css).expect("minification failed");
 /// assert_eq!(&css_minified.to_string(), ".foo>p{color:red;}");
 /// ```
-pub fn minify<'a>(content: &'a str) -> Result<Minified<'a>, &'static str> {
+pub fn minify(content: &str) -> Result<Minified<'_>, &'static str> {
     token::tokenize(content).map(Minified)
 }
 

src/css/token.rs

@@ -427,7 +427,7 @@ fn fill_other<'a>(
 }
 
 #[allow(clippy::comparison_chain)]
-pub(super) fn tokenize<'a>(source: &'a str) -> Result<Tokens<'a>, &'static str> {
+pub(super) fn tokenize(source: &str) -> Result<Tokens<'_>, &'static str> {
     let mut v = Vec::with_capacity(1000);
     let mut iterator = source.char_indices().peekable();
     let mut start = 0;

src/js/token.rs

@@ -821,12 +821,7 @@ fn handle_equal_sign(v: &mut Vec<Token<'_>>, c: ReservedChar) -> bool {
     true
 }
 
-fn check_if_number<'a>(
-    iterator: &mut MyPeekable<'_>,
-    start: usize,
-    pos: usize,
-    source: &'a str,
-) -> bool {
+fn check_if_number(iterator: &mut MyPeekable<'_>, start: usize, pos: usize, source: &str) -> bool {
     if source[start..pos].find('.').is_some() {
         return false;
     } else if u64::from_str(&source[start..pos]).is_ok() {