[stdlib] variable name change and file formatting

Signed-off-by: Dhaval Kumar <[email protected]>

stdlib/src/collections/list.mojo

@@ -185,7 +185,7 @@ struct List[T: CollectionElement](CollectionElement, Sized):
         self.size += 1
 
     @always_inline
-    fn insert(inout self, i: Int, owned value :T):
+    fn insert(inout self, i: Int, owned value: T):
         """Inserts a value to the list at the given index.
         `a.insert(len(a), value)` is equivalent to `a.append(value)`.
 
@@ -194,16 +194,16 @@ struct List[T: CollectionElement](CollectionElement, Sized):
             value: The value to insert.
         """
         debug_assert(i <= self.size, "insert index out of range")
-        
+
         var normalized_idx = i
         if i < 0:
             normalized_idx = _max(0, len(self) + i)
 
         var earlier_idx = len(self)
         var later_idx = len(self) - 1
         self.append(value^)
-        
-        for _ in range(normalized_idx, len(self) - 1): 
+
+        for _ in range(normalized_idx, len(self) - 1):
             var earlier_ptr = self.data + earlier_idx
             var later_ptr = self.data + later_idx
 

stdlib/test/collections/test_list.mojo

@@ -279,70 +279,67 @@ def test_list_reverse_move_count():
     # Keep vec alive until after we've done the last `vec.data + N` read.
     _ = vec^
 
+
 def test_list_insert():
     #
     # Test the list [1, 2, 3] created with insert
     #
 
-    vec = List[Int]()
-    vec.insert(len(vec), 1)
-    vec.insert(len(vec), 3)
-    vec.insert(1, 2)
+    v1 = List[Int]()
+    v1.insert(len(v1), 1)
+    v1.insert(len(v1), 3)
+    v1.insert(1, 2)
 
-    assert_equal(len(vec), 3)
-    assert_equal(vec[0], 1)
-    assert_equal(vec[1], 2)
-    assert_equal(vec[2], 3)
+    assert_equal(len(v1), 3)
+    assert_equal(v1[0], 1)
+    assert_equal(v1[1], 2)
+    assert_equal(v1[2], 3)
 
-    vec.clear()
-
     #
     # Test the list [1, 2, 3, 4, 5] created with negative and positive index
     #
 
-    vec.insert(-1729, 2)
-    vec.insert(len(vec), 3)
-    vec.insert(len(vec), 5)
-    vec.insert(-1, 4)
-    vec.insert(-len(vec), 1)
-
-    assert_equal(len(vec), 5)
-    assert_equal(vec[0], 1)
-    assert_equal(vec[1], 2)
-    assert_equal(vec[2], 3)
-    assert_equal(vec[3], 4)
-    assert_equal(vec[4], 5) 
-
-    vec.clear()
+    v2 = List[Int]()
+    v2.insert(-1729, 2)
+    v2.insert(len(v2), 3)
+    v2.insert(len(v2), 5)
+    v2.insert(-1, 4)
+    v2.insert(-len(v2), 1)
 
+    assert_equal(len(v2), 5)
+    assert_equal(v2[0], 1)
+    assert_equal(v2[1], 2)
+    assert_equal(v2[2], 3)
+    assert_equal(v2[3], 4)
+    assert_equal(v2[4], 5)
 
     #
     # Test the list [1, 2, 3, 4] created with negative index
     #
 
-    vec.insert(-11, 4)
-    vec.insert(-13, 3)
-    vec.insert(-17, 2)
-    vec.insert(-19, 1)
+    v3 = List[Int]()
+    v3.insert(-11, 4)
+    v3.insert(-13, 3)
+    v3.insert(-17, 2)
+    v3.insert(-19, 1)
 
-    assert_equal(len(vec), 4)
-    assert_equal(vec[0], 1)
-    assert_equal(vec[1], 2)
-    assert_equal(vec[2], 3)
-    assert_equal(vec[3], 4)
-
-    vec.clear()
-
-    # 
+    assert_equal(len(v3), 4)
+    assert_equal(v3[0], 1)
+    assert_equal(v3[1], 2)
+    assert_equal(v3[2], 3)
+    assert_equal(v3[3], 4)
+
+    #
     # Test the list [1, 2, 3, 4, 5, 6, 7, 8] created with insert
     #
-
+
+    v4 = List[Int]()
     for i in range(4):
-        vec.insert(0, 4 - i)
-        vec.insert(len(vec), 4 + i + 1)
+        v4.insert(0, 4 - i)
+        v4.insert(len(v4), 4 + i + 1)
 
-    for i in range(len(vec)):
-        assert_equal(vec[i], i + 1)
+    for i in range(len(v4)):
+        assert_equal(v4[i], i + 1)
 
 
 def test_list_extend():