From d34e10fbeb5af70bbc7e22405de60f30c8570087 Mon Sep 17 00:00:00 2001
From: Porter Smith <flowbish@gmail.com>
Date: Mon, 26 Nov 2018 16:59:18 -0800
Subject: Add #[must_use] to functions annotated with
 __attribute__((warn_unused_result))

---
 src/codegen/helpers.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/codegen/helpers.rs')

diff --git a/src/codegen/helpers.rs b/src/codegen/helpers.rs
index 343f1e30..02909d57 100644
--- a/src/codegen/helpers.rs
+++ b/src/codegen/helpers.rs
@@ -36,6 +36,12 @@ pub mod attributes {
         }
     }
 
+    pub fn must_use() -> quote::Tokens {
+        quote! {
+            #[must_use]
+        }
+    }
+
     pub fn doc(comment: String) -> quote::Tokens {
         // Doc comments are already preprocessed into nice `///` formats by the
         // time they get here. Just make sure that we have newlines around it so
-- 
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