From 0e480a6e9c9fcb24d42011a031444e0446c07353 Mon Sep 17 00:00:00 2001
From: Basti Ortiz <39114273+Some-Dood@users.noreply.github.com>
Date: Tue, 10 Aug 2021 22:30:08 +0800
Subject: [PATCH] Chore: add comments to explicitly express two-step check

See https://github.com/rust-analyzer/rust-analyzer/pull/9836#discussion_r685953381
---
 crates/vfs/src/loader.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/crates/vfs/src/loader.rs b/crates/vfs/src/loader.rs
index 211d4f7c7829..5959ce2ce79a 100644
--- a/crates/vfs/src/loader.rs
+++ b/crates/vfs/src/loader.rs
@@ -136,10 +136,13 @@ impl Entry {
 impl Directories {
     /// Returns `true` if `path` is included in `self`.
     pub fn contains_file(&self, path: &AbsPath) -> bool {
+        // First, check the file extension...
         let ext = path.extension().unwrap_or_default();
         if self.extensions.iter().all(|it| it.as_str() != ext) {
             return false;
         }
+
+        // Then, check for path inclusion...
         self.includes_path(path)
     }