From a6d0a00ab078969c2123d133781451dfa8f586f4 Mon Sep 17 00:00:00 2001
From: WeblWabl <devandbenz@gmail.com>
Date: Sun, 11 Feb 2024 08:59:10 -0600
Subject: [PATCH] feat: Trailing comma error message (#655)

* feat: adds macro check for trailing comma

* feat: adds macro check for trailing comma

* Update src/query.rs

* feat: adds macro check for trailing comma

---------

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>
---
 .gitignore   | 1 +
 src/query.rs | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index b32f48c2..07d58fe0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ localdata/
 
 # Editor-local configuration
 .vscode/
+.idea
 
 # Unnecessary test data
 test_crates/**/Cargo.lock
diff --git a/src/query.rs b/src/query.rs
index 1e07fa13..4cffc1cf 100644
--- a/src/query.rs
+++ b/src/query.rs
@@ -444,7 +444,7 @@ mod tests {
 }
 
 macro_rules! add_lints {
-    ($($name:ident,)*) => {
+    ($($name:ident,)+) => {
         #[cfg(test)]
         mod tests_lints {
             $(
@@ -462,6 +462,9 @@ macro_rules! add_lints {
                 )*
             ]
         }
+    };
+    ($($name:ident),*) => {
+        compile_error!("Please add a trailing comma after each lint identifier. This ensures our scripts like 'make_new_lint.sh' can safely edit invocations of this macro as needed.");
     }
 }