From fe0e8c87b762aba6eb5ff1fad8ad7d37404476f1 Mon Sep 17 00:00:00 2001
From: Lachlan Easton <elbeaston@gmail.com>
Date: Tue, 17 Dec 2019 03:01:02 +1100
Subject: Tokenizer: Copy optional tokens prior to being set to null #3737
 (#3910)

* Tokenizer: Copy optional tokens prior to being set to null #3737

* Add TODO comments, reminder to audit copying optional pattern.
---
 lib/std/json.zig | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/std/json.zig')

diff --git a/lib/std/json.zig b/lib/std/json.zig
index c1a0b42009..030b940276 100644
--- a/lib/std/json.zig
+++ b/lib/std/json.zig
@@ -886,6 +886,7 @@ pub const TokenStream = struct {
 
     pub fn next(self: *TokenStream) Error!?Token {
         if (self.token) |token| {
+            // TODO: Audit this pattern once #2915 is closed
             const copy = token;
             self.token = null;
             return copy;
-- 
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