From 8b6ec2b607f1c1c853a07ccc06d982e297d7e304 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Sp=C3=B6ttel?=
 <1682504+fspoettel@users.noreply.github.com>
Date: Sat, 3 Dec 2022 14:15:03 +0100
Subject: [PATCH] docs: add note about running subset of tests

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index f30c9e6..a4a7ce4 100644
--- a/README.md
+++ b/README.md
@@ -125,6 +125,8 @@ _Total timing_ is computed from individual solution _timings_ and excludes as mu
 cargo test
 ```
 
+To run tests for a specific day, append `--bin <day>`, e.g. `cargo test --bin 01`. You can further scope it down to a specific part, e.g. `cargo test --bin 01 part_one`.
+
 ### Format code
 
 ```sh