From fb2f0cc497c0af897a3d2dd3f612e50522368221 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <benoit.giannangeli@boursorama.fr>
Date: Tue, 12 Nov 2019 09:14:38 +0100
Subject: [PATCH] ArrayList: ptrAt function returns pointer to item at given
 index

---
 lib/std/array_list.zig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/std/array_list.zig b/lib/std/array_list.zig
index 444de30162..64f13eff9b 100644
--- a/lib/std/array_list.zig
+++ b/lib/std/array_list.zig
@@ -71,6 +71,11 @@ pub fn AlignedArrayList(comptime T: type, comptime alignment: ?u29) type {
             return self.toSliceConst()[i];
         }
 
+        /// Safely access ptr to index i of the list.
+        pub fn ptrAt(self: Self, i: usize) *T {
+            return &self.toSlice()[i];
+        }
+
         /// Sets the value at index `i`, or returns `error.OutOfBounds` if
         /// the index is not in range.
         pub fn setOrError(self: Self, i: usize, item: T) !void {