From f931c3d1e40307a1707d965dff60074c4274486c Mon Sep 17 00:00:00 2001
From: CreepySkeleton <creepy-skeleton@yandex.ru>
Date: Thu, 16 Apr 2020 04:32:17 +0300
Subject: [PATCH] Suppress `unused_valiables` lint in non-debug builds

---
 src/macros.rs | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/macros.rs b/src/macros.rs
index 3bb48e82..47af7d37 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -740,15 +740,31 @@ mod debug_macros {
 mod debug_macros {
     macro_rules! debugln {
         ($fmt:expr) => {};
-        ($fmt:expr, $($arg:tt)*) => {};
+        ($fmt:expr, $($arg:tt)*) => { ignore_fmt_args!($($arg)*); };
     }
     macro_rules! sdebugln {
         ($fmt:expr) => {};
-        ($fmt:expr, $($arg:tt)*) => {};
+        ($fmt:expr, $($arg:tt)*) => { ignore_fmt_args!($($arg)*); };
     }
     macro_rules! debug {
         ($fmt:expr) => {};
-        ($fmt:expr, $($arg:tt)*) => {};
+        ($fmt:expr, $($arg:tt)*) => { ignore_fmt_args!($($arg)*); };
+    }
+
+    macro_rules! ignore_fmt_args {
+        () => {};
+
+        // name = expr
+        ($name:ident = $val:expr $( , $($ts:tt)* )?) => {
+            let _ = $val;
+            ignore_fmt_args!($($($ts)*)*);
+        };
+
+        // expr
+        ($val:expr $( , $($ts:tt)* )?) => {
+            let _ = $val;
+            ignore_fmt_args!($($($ts)*)*);
+        };
     }
 }