From 988b7e46928e81697c150b0401cb7067deb8cd9d Mon Sep 17 00:00:00 2001
From: Joe Neeman <joeneeman@gmail.com>
Date: Fri, 1 Sep 2023 11:07:28 -0500
Subject: [PATCH] Add a comment

---
 core/src/cache.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/src/cache.rs b/core/src/cache.rs
index 88459addb3..bea2ca308c 100644
--- a/core/src/cache.rs
+++ b/core/src/cache.rs
@@ -238,6 +238,9 @@ pub enum SourcePath {
     ///
     /// Note that this does not need to be a real file on the filesystem: it could still
     /// be loaded from memory by, e.g, [`Cache::add_string`].
+    ///
+    /// This is the only `SourcePath` variant that can be resolved as the target
+    /// of an import statement.
     Path(PathBuf),
     /// A subrange of a file at the given path.
     ///