Minor improvements.

td/telegram/net/DcOptionsSet.cpp

@@ -110,7 +110,7 @@ vector<DcOptionsSet::ConnectionInfo> DcOptionsSet::find_all_connections(DcId dc_
     if (!static_options.empty()) {
       options = std::move(static_options);
     } else {
-      bool have_ipv4 = td::any_of(options, [](const auto &v) { return !v.option->is_ipv6(); });
+      bool have_ipv4 = any_of(options, [](const auto &v) { return !v.option->is_ipv6(); });
       if (have_ipv4) {
         td::remove_if(options, [](auto &v) { return v.option->is_ipv6(); });
       }
@@ -122,13 +122,13 @@ vector<DcOptionsSet::ConnectionInfo> DcOptionsSet::find_all_connections(DcId dc_
   }
 
   if (prefer_ipv6) {
-    bool have_ipv6 = td::any_of(options, [](const auto &v) { return v.option->is_ipv6(); });
+    bool have_ipv6 = any_of(options, [](const auto &v) { return v.option->is_ipv6(); });
     if (have_ipv6) {
       td::remove_if(options, [](auto &v) { return !v.option->is_ipv6(); });
     }
   }
 
-  bool have_media_only = td::any_of(options, [](const auto &v) { return v.option->is_media_only(); });
+  bool have_media_only = any_of(options, [](const auto &v) { return v.option->is_media_only(); });
   if (have_media_only) {
     td::remove_if(options, [](auto &v) { return !v.option->is_media_only(); });
   }

tddb/td/db/BinlogKeyValue.h

@@ -15,6 +15,7 @@
 #include "td/utils/buffer.h"
 #include "td/utils/common.h"
 #include "td/utils/FlatHashMap.h"
+#include "td/utils/HashTableUtils.h"
 #include "td/utils/logging.h"
 #include "td/utils/misc.h"
 #include "td/utils/port/RwMutex.h"
@@ -219,9 +220,9 @@ class BinlogKeyValue final : public KeyValueSyncInterface {
     binlog_->lazy_sync(std::move(promise));
   }
 
-  std::unordered_map<string, string> prefix_get(Slice prefix) final {
+  std::unordered_map<string, string, Hash<string>> prefix_get(Slice prefix) final {
     auto lock = rw_mutex_.lock_write().move_as_ok();
-    std::unordered_map<string, string> res;
+    std::unordered_map<string, string, Hash<string>> res;
     for (const auto &kv : map_) {
       if (begins_with(kv.first, prefix)) {
         res.emplace(kv.first.substr(prefix.size()), kv.second.first);

tddb/td/db/KeyValueSyncInterface.h

@@ -8,6 +8,7 @@
 
 #include "td/utils/common.h"
 #include "td/utils/FlatHashMap.h"
+#include "td/utils/HashTableUtils.h"
 #include "td/utils/Promise.h"
 #include "td/utils/Slice.h"
 
@@ -34,7 +35,7 @@ class KeyValueSyncInterface {
 
   virtual string get(const string &key) = 0;
 
-  virtual std::unordered_map<string, string> prefix_get(Slice prefix) = 0;
+  virtual std::unordered_map<string, string, Hash<string>> prefix_get(Slice prefix) = 0;
 
   virtual FlatHashMap<string, string> get_all() = 0;
 

tdutils/td/utils/FloodControlStrict.h

@@ -12,7 +12,7 @@
 
 namespace td {
 
-// More strict implementaions of flood control than FloodControlFast.
+// More strict implementations of flood control than FloodControlFast.
 // Should be just fine for small counters.
 class FloodControlStrict {
  public: