src: Remove extra braces if possible

src/memchunk_test.cc

@@ -224,10 +224,10 @@ void test_peek_memchunks_append(void) {
   MemchunkPool16 pool;
   PeekMemchunks16 pchunks(&pool);
 
-  std::array<uint8_t, 32> b{{
+  std::array<uint8_t, 32> b{
       '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
       '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1',
-  }},
+  },
       d;
 
   pchunks.append(b.data(), b.size());
@@ -259,10 +259,10 @@ void test_peek_memchunks_disable_peek_drain(void) {
   MemchunkPool16 pool;
   PeekMemchunks16 pchunks(&pool);
 
-  std::array<uint8_t, 32> b{{
+  std::array<uint8_t, 32> b{
       '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
       '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1',
-  }},
+  },
       d;
 
   pchunks.append(b.data(), b.size());
@@ -287,10 +287,10 @@ void test_peek_memchunks_disable_peek_no_drain(void) {
   MemchunkPool16 pool;
   PeekMemchunks16 pchunks(&pool);
 
-  std::array<uint8_t, 32> b{{
+  std::array<uint8_t, 32> b{
       '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
       '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1',
-  }},
+  },
       d;
 
   pchunks.append(b.data(), b.size());
@@ -315,10 +315,10 @@ void test_peek_memchunks_reset(void) {
   MemchunkPool16 pool;
   PeekMemchunks16 pchunks(&pool);
 
-  std::array<uint8_t, 32> b{{
+  std::array<uint8_t, 32> b{
       '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
       '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1',
-  }},
+  },
       d;
 
   pchunks.append(b.data(), b.size());

src/shrpx_api_downstream_connection.cc

@@ -41,7 +41,7 @@ namespace shrpx {
 namespace {
 // List of API endpoints
 const std::array<APIEndpoint, 2> &apis() {
-  static const auto apis = new std::array<APIEndpoint, 2>{{
+  static const auto apis = new std::array<APIEndpoint, 2>{
       APIEndpoint{
           StringRef::from_lit("/api/v1beta1/backendconfig"),
           true,
@@ -54,7 +54,7 @@ const std::array<APIEndpoint, 2> &apis() {
           (1 << API_METHOD_GET),
           &APIDownstreamConnection::handle_configrevision,
       },
-  }};
+  };
 
   return *apis;
 }

src/shrpx_client_handler.cc

@@ -1319,7 +1319,7 @@ int ClientHandler::proxy_protocol_read() {
   // NULL character really destroys functions which expects NULL
   // terminated string.  We won't expect it in PROXY protocol line, so
   // find it here.
-  auto chrs = std::array<char, 2>{{'\n', '\0'}};
+  auto chrs = std::array<char, 2>{'\n', '\0'};
 
   constexpr size_t MAX_PROXY_LINELEN = 107;
 

src/shrpx_signal.cc

@@ -110,13 +110,13 @@ int signal_set_handler(void (*handler)(int), Signals &&sigs) {
 } // namespace
 
 namespace {
-constexpr auto master_proc_ign_signals = std::array<int, 1>{{SIGPIPE}};
+constexpr auto master_proc_ign_signals = std::array<int, 1>{SIGPIPE};
 } // namespace
 
 namespace {
 constexpr auto worker_proc_ign_signals =
-    std::array<int, 5>{{REOPEN_LOG_SIGNAL, EXEC_BINARY_SIGNAL,
-                        GRACEFUL_SHUTDOWN_SIGNAL, RELOAD_SIGNAL, SIGPIPE}};
+    std::array<int, 5>{REOPEN_LOG_SIGNAL, EXEC_BINARY_SIGNAL,
+                       GRACEFUL_SHUTDOWN_SIGNAL, RELOAD_SIGNAL, SIGPIPE};
 } // namespace
 
 int shrpx_signal_set_master_proc_ign_handler() {