lint

rust/pascals-triangle/src/lib.rs

@@ -1,35 +1,29 @@
-pub struct PascalsTriangle{
+pub struct PascalsTriangle {
     rows: Vec<Vec<u32>>,
 }
 
 impl PascalsTriangle {
     pub fn new(row_count: u32) -> Self {
-        let rows = generate_rows(row_count);
-        PascalsTriangle{
-            rows: rows
+        let mut rows = vec![];
+        for i in 1..=row_count {
+            let row = generate_row(i);
+            rows.push(row)
         }
-    }
 
-    pub fn rows(&self) -> Vec<Vec<u32>> {
-        return self.rows.clone()
+        PascalsTriangle { rows }
     }
-}
 
-fn generate_rows(row_count: u32) -> Vec<Vec<u32>> {
-    let mut rows = vec!();
-    for i in 1..=row_count {
-        let row = generate_row(i);
-        rows.push(row)
+    pub fn rows(&self) -> Vec<Vec<u32>> {
+        self.rows.clone()
     }
-    rows
 }
 
 fn generate_row(row_index: u32) -> Vec<u32> {
     if row_index == 1 {
-        return vec!(1)
+        return vec![1];
     }
+    let mut result = vec![1];
     let prev_row = generate_row(row_index - 1);
-    let mut result = vec!(1);
     for window in prev_row.windows(2) {
         let first = window.first().unwrap();
         let last = window.last().unwrap();