Make inherited classes final if possible.

6 files changed, 8 insertions, 8 deletions

diff --git a/tdnet/td/net/GetHostByNameActor.cpp b/tdnet/td/net/GetHostByNameActor.cpp
index c1f944c31..227780287 100644
--- a/tdnet/td/net/GetHostByNameActor.cpp
+++ b/tdnet/td/net/GetHostByNameActor.cpp
@@ -21,7 +21,7 @@
 namespace td {
 namespace detail {
 
-class GoogleDnsResolver : public Actor {
+class GoogleDnsResolver final : public Actor {
  public:
   GoogleDnsResolver(std::string host, bool prefer_ipv6, Promise<IPAddress> promise)
       : host_(std::move(host)), prefer_ipv6_(prefer_ipv6), promise_(std::move(promise)) {
@@ -86,7 +86,7 @@ class GoogleDnsResolver : public Actor {
   }
 };
 
-class NativeDnsResolver : public Actor {
+class NativeDnsResolver final : public Actor {
  public:
   NativeDnsResolver(std::string host, bool prefer_ipv6, Promise<IPAddress> promise)
       : host_(std::move(host)), prefer_ipv6_(prefer_ipv6), promise_(std::move(promise)) {
diff --git a/tdnet/td/net/HttpProxy.h b/tdnet/td/net/HttpProxy.h
index 613dfc513..3604af43b 100644
--- a/tdnet/td/net/HttpProxy.h
+++ b/tdnet/td/net/HttpProxy.h
@@ -12,7 +12,7 @@
 
 namespace td {
 
-class HttpProxy : public TransparentProxy {
+class HttpProxy final : public TransparentProxy {
  public:
   using TransparentProxy::TransparentProxy;
 
diff --git a/tdnet/td/net/NetStats.h b/tdnet/td/net/NetStats.h
index d3cc0ba4b..71478b025 100644
--- a/tdnet/td/net/NetStats.h
+++ b/tdnet/td/net/NetStats.h
@@ -91,7 +91,7 @@ class NetStats {
   }
 
  private:
-  class Impl : public NetStatsCallback {
+  class Impl final : public NetStatsCallback {
    public:
     NetStatsData get_stats() const {
       NetStatsData res;
diff --git a/tdnet/td/net/Socks5.h b/tdnet/td/net/Socks5.h
index 97531011f..3ad30eed2 100644
--- a/tdnet/td/net/Socks5.h
+++ b/tdnet/td/net/Socks5.h
@@ -12,7 +12,7 @@
 
 namespace td {
 
-class Socks5 : public TransparentProxy {
+class Socks5 final : public TransparentProxy {
  public:
   using TransparentProxy::TransparentProxy;
 
diff --git a/tdnet/td/net/SslStream.cpp b/tdnet/td/net/SslStream.cpp
index 8d43c43a0..b9061b94d 100644
--- a/tdnet/td/net/SslStream.cpp
+++ b/tdnet/td/net/SslStream.cpp
@@ -384,7 +384,7 @@ class SslStreamImpl {
     return size;
   }
 
-  class SslReadByteFlow : public ByteFlowBase {
+  class SslReadByteFlow final : public ByteFlowBase {
    public:
     explicit SslReadByteFlow(SslStreamImpl *stream) : stream_(stream) {
     }
@@ -411,7 +411,7 @@ class SslStreamImpl {
     SslStreamImpl *stream_;
   };
 
-  class SslWriteByteFlow : public ByteFlowBase {
+  class SslWriteByteFlow final : public ByteFlowBase {
    public:
     explicit SslWriteByteFlow(SslStreamImpl *stream) : stream_(stream) {
     }
diff --git a/tdnet/td/net/Wget.h b/tdnet/td/net/Wget.h
index 4f22a085e..723efda12 100644
--- a/tdnet/td/net/Wget.h
+++ b/tdnet/td/net/Wget.h
@@ -20,7 +20,7 @@
 
 namespace td {
 
-class Wget : public HttpOutboundConnection::Callback {
+class Wget final : public HttpOutboundConnection::Callback {
  public:
   explicit Wget(Promise<unique_ptr<HttpQuery>> promise, string url, std::vector<std::pair<string, string>> headers = {},
                 int32 timeout_in = 10, int32 ttl = 3, bool prefer_ipv6 = false,