X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=folly%2FMPMCPipeline.h;h=90a4c85aa25e3cd4f69febb5511704f5f7d95423;hb=d5b67c256c7423d74f4794d7fe421ed239807be4;hp=4fef5ead5ad82a2601b04b0a6db8faf09333b493;hpb=ed8c80a0e0988e4ce687f51ca832a00e4a6b7930;p=folly.git

diff --git a/folly/MPMCPipeline.h b/folly/MPMCPipeline.h
index 4fef5ead..90a4c85a 100644
--- a/folly/MPMCPipeline.h
+++ b/folly/MPMCPipeline.h
@@ -275,13 +275,13 @@ template <class In, class... Stages> class MPMCPipeline {
    * in any queue) are also counted.
    */
   ssize_t sizeGuess() const noexcept {
-    return (std::get<0>(stages_).writeCount() * kAmplification -
-            std::get<sizeof...(Stages)>(stages_).readCount());
+    return ssize_t(
+        std::get<0>(stages_).writeCount() * kAmplification -
+        std::get<sizeof...(Stages)>(stages_).readCount());
   }
 
  private:
   StageTuple stages_;
 };
 
-
-}  // namespaces
+} // namespace folly