From af91ce2ef127053127973d8f79708f73a1644c51 Mon Sep 17 00:00:00 2001
From: Peter Cai <peter@typeblog.net>
Date: Sun, 4 Apr 2021 13:35:29 +0800
Subject: [PATCH] client: comments

---
 src/client.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client.rs b/src/client.rs
index 6b48c0d..12a3d48 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -68,6 +68,8 @@ impl Client {
         let mut builder = MessageBuilder::new_vec();
         // Set up the header
         let header = builder.header_mut();
+        // We don't use set_random_id because `getrandom` seems to be
+        // unreliable on Cloudflare Workers for some reason
         header.set_id(crate::util::random_range(0, u16::MAX));
         header.set_qr(false); // For queries, QR = false
         header.set_opcode(Opcode::Query);