std.MultiArrayList: popOrNull() -> pop()

lib/std/multi_array_list.zig

@@ -263,23 +263,15 @@ pub fn MultiArrayList(comptime T: type) type {
             return index;
         }
 
-        /// Remove and return the last element from the list.
-        /// Asserts the list has at least one item.
+        /// Remove and return the last element from the list, or return `null` if list is empty.
         /// Invalidates pointers to fields of the removed element.
-        pub fn pop(self: *Self) T {
+        pub fn pop(self: *Self) ?T {
+            if (self.len == 0) return null;
             const val = self.get(self.len - 1);
             self.len -= 1;
             return val;
         }
 
-        /// Remove and return the last element from the list, or
-        /// return `null` if list is empty.
-        /// Invalidates pointers to fields of the removed element, if any.
-        pub fn popOrNull(self: *Self) ?T {
-            if (self.len == 0) return null;
-            return self.pop();
-        }
-
         /// Inserts an item into an ordered list.  Shifts all elements
         /// after and including the specified index back by one and
         /// sets the given index to the specified element.  May reallocate
@@ -685,11 +677,11 @@ test "basic usage" {
         .b = "xnopyt",
         .c = 'd',
     });
-    try testing.expectEqualStrings("xnopyt", list.pop().b);
-    try testing.expectEqual(@as(?u8, 'c'), if (list.popOrNull()) |elem| elem.c else null);
-    try testing.expectEqual(@as(u32, 2), list.pop().a);
-    try testing.expectEqual(@as(u8, 'a'), list.pop().c);
-    try testing.expectEqual(@as(?Foo, null), list.popOrNull());
+    try testing.expectEqualStrings("xnopyt", list.pop().?.b);
+    try testing.expectEqual(@as(?u8, 'c'), if (list.pop()) |elem| elem.c else null);
+    try testing.expectEqual(@as(u32, 2), list.pop().?.a);
+    try testing.expectEqual(@as(u8, 'a'), list.pop().?.c);
+    try testing.expectEqual(@as(?Foo, null), list.pop());
 
     list.clearRetainingCapacity();
     try testing.expectEqual(0, list.len);