[Stopwatch] start()/stop() return const &

microsoft · Oct 11, 2016 · 1f055ef · 1f055ef
1 parent 9e1d40e
commit 1f055ef
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/toolsrc/include/Stopwatch.h b/toolsrc/include/Stopwatch.h
@@ -14,9 +14,9 @@ namespace vcpkg
 
         bool isRunning() const;
 
-        Stopwatch& start();
+        const Stopwatch& start();
 
-        Stopwatch& stop();
+        const Stopwatch& stop();
 
         Stopwatch& reset();
 

diff --git a/toolsrc/src/Stopwatch.cpp b/toolsrc/src/Stopwatch.cpp
@@ -18,15 +18,15 @@ namespace vcpkg
         return this->m_isRunning;
     }
 
-    Stopwatch& Stopwatch::start()
+    const Stopwatch& Stopwatch::start()
     {
         Checks::check_exit(!this->m_isRunning, "This stopwatch is already running.");
         this->m_isRunning = true;
         this->m_startTick = std::chrono::high_resolution_clock::now();
         return *this;
     }
 
-    Stopwatch& Stopwatch::stop()
+    const Stopwatch& Stopwatch::stop()
     {
         auto tick = std::chrono::high_resolution_clock::now();
         Checks::check_exit(this->m_isRunning, "This stopwatch is already stopped.");