fix(examples): remove compilation warning about unused variables

Author: GuillaumeLagrange

examples/google_benchmark_cmake/fixture_bench.hpp

@@ -4,16 +4,15 @@
 #ifndef FIXTURE_BENCH_HPP
 #define FIXTURE_BENCH_HPP
 
-
 #include <benchmark/benchmark.h>
 
 namespace example_namespace {
 
 class MyFixture : public benchmark::Fixture {
-public:
-  void SetUp(::benchmark::State &state) {}
+ public:
+  void SetUp(::benchmark::State &state) { (void)state; }
 
-  void TearDown(::benchmark::State &state) {}
+  void TearDown(::benchmark::State &state) { (void)state; }
 };
 BENCHMARK_F(MyFixture, FooTest)(benchmark::State &st) {
   for (auto _ : st) {
@@ -28,7 +27,8 @@ BENCHMARK_REGISTER_F(MyFixture, BarTest);
 //
 //
 
-template <typename T> class MyTemplatedFixture : public benchmark::Fixture {};
+template <typename T>
+class MyTemplatedFixture : public benchmark::Fixture {};
 BENCHMARK_TEMPLATE_F(MyTemplatedFixture, IntTest, int)(benchmark::State &st) {
   for (auto _ : st) {
   }
@@ -43,7 +43,8 @@ BENCHMARK_REGISTER_F(MyTemplatedFixture, DoubleTest);
 //
 //
 
-template <typename T> class MyTemplate1 : public benchmark::Fixture {};
+template <typename T>
+class MyTemplate1 : public benchmark::Fixture {};
 BENCHMARK_TEMPLATE1_DEFINE_F(MyTemplate1, TestA, int)(benchmark::State &st) {
   for (auto _ : st) {
   }
@@ -53,13 +54,15 @@ BENCHMARK_REGISTER_F(MyTemplate1, TestA);
 //
 //
 
-template <typename T, typename U> class MyTemplate2 : public benchmark::Fixture {};
-BENCHMARK_TEMPLATE2_DEFINE_F(MyTemplate2, TestB, int, double)(benchmark::State &st) {
+template <typename T, typename U>
+class MyTemplate2 : public benchmark::Fixture {};
+BENCHMARK_TEMPLATE2_DEFINE_F(MyTemplate2, TestB, int,
+                             double)(benchmark::State &st) {
   for (auto _ : st) {
   }
 }
 BENCHMARK_REGISTER_F(MyTemplate2, TestB);
 
-}
+}  // namespace example_namespace
 
 #endif

examples/google_benchmark_cmake/main.cpp

@@ -1,11 +1,14 @@
-#include "fixture_bench.hpp"
-#include "template_bench.hpp"
 #include <benchmark/benchmark.h>
+
 #include <cstring>
 
+#include "fixture_bench.hpp"
+#include "template_bench.hpp"
+
 template <class... Args>
 void BM_Capture(benchmark::State &state, Args &&...args) {
   auto args_tuple = std::make_tuple(std::move(args)...);
+  (void)args_tuple;
   for (auto _ : state) {
   }
 }
@@ -36,8 +39,7 @@ static void BM_memcpy(benchmark::State &state) {
   char *src = new char[state.range(0)];
   char *dst = new char[state.range(0)];
   memset(src, 'x', state.range(0));
-  for (auto _ : state)
-    memcpy(dst, src, state.range(0));
+  for (auto _ : state) memcpy(dst, src, state.range(0));
   delete[] src;
   delete[] dst;
 }