Fix singular usages of "statistics".

Author: levlam

memprof/memprof_stat.cpp

@@ -41,7 +41,7 @@ static std::atomic<std::size_t> total_memory_used;
 void register_xalloc(malloc_info *info, std::int32_t diff) {
   my_assert(info->size >= 0);
   // TODO: this is very slow in case of several threads.
-  // Currently this statistics is intended only for memory benchmarks.
+  // Currently, the statistics are intended only for memory benchmarks.
   total_memory_used.fetch_add(diff * info->size, std::memory_order_relaxed);
 }
 

td/telegram/ContactsManager.cpp

@@ -8451,7 +8451,7 @@ void ContactsManager::get_channel_statistics_dc_id_impl(ChannelId channel_id, bo
   }
 
   if (!channel_full->stats_dc_id.is_exact() || (for_full_statistics && !channel_full->can_view_statistics)) {
-    return promise.set_error(Status::Error(400, "Chat statistics is not available"));
+    return promise.set_error(Status::Error(400, "Chat statistics are not available"));
   }
 
   promise.set_value(DcId(channel_full->stats_dc_id));

td/telegram/StatisticsManager.cpp

@@ -417,7 +417,7 @@ void StatisticsManager::send_get_channel_message_stats_query(
     return promise.set_error(Status::Error(400, "Message not found"));
   }
   if (!td_->messages_manager_->can_get_message_statistics(message_full_id)) {
-    return promise.set_error(Status::Error(400, "Message statistics is inaccessible"));
+    return promise.set_error(Status::Error(400, "Message statistics are inaccessible"));
   }
   CHECK(dialog_id.get_type() == DialogType::Channel);
   td_->create_handler<GetMessageStatsQuery>(std::move(promise))

td/telegram/Td.cpp

@@ -4964,10 +4964,10 @@ void Td::on_request(uint64 id, td_api::optimizeStorage &request) {
 
 void Td::on_request(uint64 id, td_api::getNetworkStatistics &request) {
   if (net_stats_manager_.empty()) {
-    return send_error_raw(id, 400, "Network statistics is disabled");
+    return send_error_raw(id, 400, "Network statistics are disabled");
   }
   if (!request.only_current_ && G()->get_option_boolean("disable_persistent_network_statistics")) {
-    return send_error_raw(id, 400, "Persistent network statistics is disabled");
+    return send_error_raw(id, 400, "Persistent network statistics are disabled");
   }
   CREATE_REQUEST_PROMISE();
   auto query_promise = PromiseCreator::lambda([promise = std::move(promise)](Result<NetworkStats> result) mutable {
@@ -4983,7 +4983,7 @@ void Td::on_request(uint64 id, td_api::getNetworkStatistics &request) {
 
 void Td::on_request(uint64 id, td_api::resetNetworkStatistics &request) {
   if (net_stats_manager_.empty()) {
-    return send_error_raw(id, 400, "Network statistics is disabled");
+    return send_error_raw(id, 400, "Network statistics are disabled");
   }
   CREATE_OK_REQUEST_PROMISE();
   send_closure(net_stats_manager_, &NetStatsManager::reset_network_stats);
@@ -4995,7 +4995,7 @@ void Td::on_request(uint64 id, td_api::addNetworkStatistics &request) {
     return send_error_raw(id, 400, "Network statistics entry must be non-empty");
   }
   if (net_stats_manager_.empty()) {
-    return send_error_raw(id, 400, "Network statistics is disabled");
+    return send_error_raw(id, 400, "Network statistics are disabled");
   }
 
   NetworkStatsEntry entry;