From a9d8f20e550ae1e1f07e633205826f4c204f8b4b Mon Sep 17 00:00:00 2001
From: Katie Mummah <radioactivekate@gmail.com>
Date: Wed, 17 Jul 2024 20:35:51 -0500
Subject: [PATCH] comment about taking the first item from the packaged vector

---
 src/source.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/source.cc b/src/source.cc
index dc20275db..99b578645 100644
--- a/src/source.cc
+++ b/src/source.cc
@@ -164,6 +164,9 @@ void Source::GetMatlTrades(
 
       Material::Ptr response;
       if (m_pkgd.size() > 0) {
+        // Because we responded (in GetMatlBids) with individual package-sized
+        // bids, each packaged vector is guaranteed to have no more than one
+        // package in it. This single packaged resource is our response
         response = m_pkgd[0];
         shippable_trades -= 1;
       }