Fix CQS signal modernize-use-using in fbcode/proxygen/lib/dns

Reviewed By: hanidamlaj

Differential Revision: D75280835

fbshipit-source-id: 9f012cef292e11f67896fdabac461d84ba5e438b

Author: generatedunixname89002005287564

proxygen/lib/dns/DNSResolver.h

@@ -41,8 +41,8 @@ class DNSResolver : public folly::DelayedDestruction {
   class QueryBase;
 
  public:
-  typedef std::unique_ptr<DNSResolver, folly::DelayedDestruction::Destructor>
-      UniquePtr;
+  using UniquePtr =
+      std::unique_ptr<DNSResolver, folly::DelayedDestruction::Destructor>;
 
   enum class ResolverType : uint32_t {
     UNKNOWN = 0,

proxygen/lib/dns/NaiveResolutionCallback.h

@@ -21,9 +21,8 @@ namespace proxygen {
 // Basic callback for name resolution
 class NaiveResolutionCallback : public DNSResolver::ResolutionCallback {
  public:
-  typedef std::function<void(std::vector<DNSResolver::Answer>&&,
-                             const folly::exception_wrapper&& ex)>
-      Handler;
+  using Handler = std::function<void(std::vector<DNSResolver::Answer> &&,
+                                     const folly::exception_wrapper &&)>;
 
   // Return a DNSResolver::Exception(DNSResolver::NODATA) wrapper
   static folly::exception_wrapper makeNoNameException() noexcept;
@@ -33,7 +32,7 @@ class NaiveResolutionCallback : public DNSResolver::ResolutionCallback {
 
   void resolutionSuccess(
       std::vector<DNSResolver::Answer> answers) noexcept override;
-  void resolutionError(const folly::exception_wrapper& exp) noexcept override;
+  void resolutionError(const folly::exception_wrapper &exp) noexcept override;
 
  private:
   Handler handler_;