chore: clippy warnings

crates/lsp/src/line_numbers.rs

@@ -8,7 +8,7 @@ pub struct LineNumbers {
 impl LineNumbers {
     pub fn new(src: &str) -> Self {
         Self {
-            length: src.len() as usize,
+            length: src.len(),
             line_starts: std::iter::once(0)
                 .chain(src.match_indices('\n').map(|(i, _)| i + 1))
                 .collect(),
@@ -19,20 +19,14 @@ impl LineNumbers {
     pub fn line_number(&self, byte_index: usize) -> usize {
         self.line_starts
             .binary_search(&byte_index)
-            .unwrap_or_else(|next_line| next_line - 1) as usize
+            .unwrap_or_else(|next_line| next_line - 1)
             + 1
     }
 
     // TODO: handle unicode characters that may be more than 1 byte in width
     pub fn line_and_column_number(&self, byte_index: usize) -> LineColumn {
         let line = self.line_number(byte_index);
-        let column = byte_index
-            - self
-                .line_starts
-                .get(line as usize - 1)
-                .copied()
-                .unwrap_or_default()
-            + 1;
+        let column = byte_index - self.line_starts.get(line - 1).copied().unwrap_or_default() + 1;
         LineColumn { line, column }
     }
 
@@ -40,7 +34,7 @@ impl LineNumbers {
     /// 0 indexed line and character to byte index
     #[allow(dead_code)]
     pub fn byte_index(&self, line: usize, character: usize) -> usize {
-        match self.line_starts.get((line) as usize) {
+        match self.line_starts.get(line) {
             Some(line_index) => *line_index + character,
             None => self.length,
         }