clean up unused usages (#421)

* clean up unused usages

Signed-off-by: SchrodingerZhu <i@zhuyi.fan>

* remove names for arg pack

Signed-off-by: SchrodingerZhu <i@zhuyi.fan>

* fix namespace in setup.h

Signed-off-by: SchrodingerZhu <i@zhuyi.fan>

* format

Signed-off-by: SchrodingerZhu <i@zhuyi.fan>

* set UNUSED as fast path

Signed-off-by: SchrodingerZhu <i@zhuyi.fan>

src/test/func/bits/bits.cc

@@ -35,8 +35,7 @@ void test_clz()
 
 int main(int argc, char** argv)
 {
-  UNUSED(argc);
-  UNUSED(argv);
+  snmalloc::UNUSED(argc, argv);
 
   setup();
 

src/test/func/memory/memory.cc

@@ -27,8 +27,7 @@ using namespace snmalloc;
 
 void test_limited(rlim64_t as_limit, size_t& count)
 {
-  UNUSED(as_limit);
-  UNUSED(count);
+  UNUSED(as_limit, count);
 #if false && defined(TEST_LIMITED)
   auto pid = fork();
   if (!pid)
@@ -490,8 +489,7 @@ int main(int argc, char** argv)
   size_t seed = opt.is<size_t>("--seed", 0);
   Virtual::systematic_bump_ptr() += seed << 17;
 #else
-  UNUSED(argc);
-  UNUSED(argv);
+  UNUSED(argc, argv);
 #endif
   test_alloc_dealloc_64k();
   test_random_allocation();

src/test/func/pagemap/pagemap.cc

@@ -120,8 +120,7 @@ void test_pagemap(bool bounded)
 
 int main(int argc, char** argv)
 {
-  UNUSED(argc);
-  UNUSED(argv);
+  UNUSED(argc, argv);
 
   setup();
 

src/test/func/pool/pool.cc

@@ -124,8 +124,7 @@ int main(int argc, char** argv)
   size_t seed = opt.is<size_t>("--seed", 0);
   Virtual::systematic_bump_ptr() += seed << 17;
 #else
-  UNUSED(argc);
-  UNUSED(argv);
+  UNUSED(argc, argv);
 #endif
 
   test_alloc();

src/test/func/two_alloc_types/main.cc

@@ -7,14 +7,13 @@
 
 extern "C" void* oe_memset_s(void* p, size_t p_size, int c, size_t size)
 {
-  UNUSED(p_size);
+  snmalloc::UNUSED(p_size);
   return memset(p, c, size);
 }
 
 extern "C" int oe_random(void* p, size_t p_size)
 {
-  UNUSED(p_size);
-  UNUSED(p);
+  snmalloc::UNUSED(p_size, p);
   // Stub for random data.
   return 0;
 }