From 40f84c09974c03405a63c9eba32df7209de4bec0 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Feb 2024 09:44:08 +0200
Subject: Add comment on json_array assignment issue

---
 libbuild2/variable.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libbuild2/variable.cxx b/libbuild2/variable.cxx
index 795af6c..6cdf3ee 100644
--- a/libbuild2/variable.cxx
+++ b/libbuild2/variable.cxx
@@ -2154,6 +2154,10 @@ namespace build2
       // Tricky: this can still be JSON input text that is an array. And if
       // it's not, then make it an element of an array.
       //
+      // @@ Hm, this is confusing: [json_array] a = null ! Maybe not? But then
+      //    this won't work: [json_array] a = ([json_array] null). Maybe
+      //    distinguish in assign?
+      //
       json_value v (to_json_value (ns.front (), "json"));
 
       if (v.type == json_type::array)
-- 
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