From 43677021e3c285c2ced2075b918da947e13fcb00 Mon Sep 17 00:00:00 2001
From: Vincent Ambo <tazjin@google.com>
Date: Wed, 20 May 2020 22:58:43 +0100
Subject: refactor(3p/nix): Apply clang-tidy's performance-* fixes

This applies the performance fixes listed here:

https://clang.llvm.org/extra/clang-tidy/checks/list.html
---
 third_party/nix/src/libutil/serialise.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'third_party/nix/src/libutil/serialise.cc')

diff --git a/third_party/nix/src/libutil/serialise.cc b/third_party/nix/src/libutil/serialise.cc
index 4b12367196f1..34af4e840ab6 100644
--- a/third_party/nix/src/libutil/serialise.cc
+++ b/third_party/nix/src/libutil/serialise.cc
@@ -157,8 +157,8 @@ size_t StringSource::read(unsigned char* data, size_t len) {
 #error Coroutines are broken in this version of Boost!
 #endif
 
-std::unique_ptr<Source> sinkToSource(std::function<void(Sink&)> fun,
-                                     std::function<void()> eof) {
+std::unique_ptr<Source> sinkToSource(const std::function<void(Sink&)>& fun,
+                                     const std::function<void()>& eof) {
   struct SinkToSource : Source {
     using coro_t = boost::coroutines2::coroutine<std::string>;
 
-- 
cgit 1.4.1