Fix folly::to<> under MSVC

[folly.git] / folly / MPMCPipeline.h

diff --git a/folly/MPMCPipeline.h b/folly/MPMCPipeline.h
index d480c16700cd9ad8e575bd678369f1b7f7349a8a..c3d4bf17e04cf213387a278dce336d8ba1285e31 100644 (file)
--- a/folly/MPMCPipeline.h
+++ b/folly/MPMCPipeline.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2016 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -161,12 +161,15 @@ template <class In, class... Stages> class MPMCPipeline {
 #endif
         remainingUses_(amplification),
         value_(value * amplification) {
+      (void)owner; // -Wunused-parameter
     }
 
     uint64_t use(MPMCPipeline* owner) {
       CHECK_GT(remainingUses_--, 0);
 #ifndef NDEBUG
       CHECK(owner == owner_);
+#else
+      (void)owner; // -Wunused-parameter
 #endif
       return value_++;
     }