exercise_1_2

lesson_7/exercise_2.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+package exercise_2;
+
+message FullName {
+	string name = 1;
+	string surname = 2;
+	optional string patronymic = 3;
+}
+
+message Student {
+	FullName name = 1;
+	repeated uint32 grades = 2;
+	uint32 avg_score = 3;
+}
+
+message StudentsGroup {
+	repeated Student students = 1;
+}

lesson_7/main.cpp

@@ -0,0 +1,51 @@
+/*
+ * main.cpp
+ *
+ *  Created on: 14 окт. 2021 г.
+ *      Author: alexander
+ */
+
+#include <iostream>
+#include <numeric>
+#include <fstream>
+#include "src-gen/exercise_2.pb.h"
+
+int main()
+{
+//    exercise_2::FullName fn;
+//    fn.set_name("Alexander");
+//    fn.set_surname("Zhirov");
+//    fn.set_patronymic("Alexandrovich");
+//
+//    exercise_2::Student s;
+//    s.set_allocated_name(&fn);
+//    s.add_grades(5);
+//    s.add_grades(2);
+//    s.add_grades(4);
+//    s.add_grades(3);
+//    s.add_grades(4);
+//    s.add_grades(3);
+//    s.add_grades(4);
+//    s.add_grades(3);
+//    s.set_avg_score(std::accumulate(s.grades().begin(), s.grades().end(), 0) / s.grades().size());
+//
+//    exercise_2::StudentsGroup sg;
+//    *sg.add_students() = s;
+//
+//    std::ofstream out("student.bin", std::ios_base::binary);
+//    sg.SerializeToOstream(&out);
+
+    exercise_2::StudentsGroup sg;
+    std::ifstream in("student.bin", std::ios_base::binary);
+    if (sg.ParseFromIstream(&in))
+    {
+        std::cout << sg.students(0).name().surname() << std::endl;
+        std::cout << sg.students(0).avg_score() << std::endl;
+    }
+    else
+    {
+        std::cout << "Error!" << std::endl;
+    }
+
+    return 0;
+}

lesson_7/src-gen/exercise_2.pb.cc

@@ -0,0 +1,950 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: exercise_2.proto
+
+#include "exercise_2.pb.h"
+
+#include <algorithm>
+
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/extension_set.h>
+#include <google/protobuf/wire_format_lite.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/generated_message_reflection.h>
+#include <google/protobuf/reflection_ops.h>
+#include <google/protobuf/wire_format.h>
+// @@protoc_insertion_point(includes)
+#include <google/protobuf/port_def.inc>
+extern PROTOBUF_INTERNAL_EXPORT_exercise_5f2_2eproto ::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<0> scc_info_FullName_exercise_5f2_2eproto;
+extern PROTOBUF_INTERNAL_EXPORT_exercise_5f2_2eproto ::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_Student_exercise_5f2_2eproto;
+namespace exercise_2 {
+class FullNameDefaultTypeInternal {
+ public:
+  ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<FullName> _instance;
+} _FullName_default_instance_;
+class StudentDefaultTypeInternal {
+ public:
+  ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<Student> _instance;
+} _Student_default_instance_;
+class StudentsGroupDefaultTypeInternal {
+ public:
+  ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<StudentsGroup> _instance;
+} _StudentsGroup_default_instance_;
+}  // namespace exercise_2
+static void InitDefaultsscc_info_FullName_exercise_5f2_2eproto() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+  {
+    void* ptr = &::exercise_2::_FullName_default_instance_;
+    new (ptr) ::exercise_2::FullName();
+    ::PROTOBUF_NAMESPACE_ID::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::exercise_2::FullName::InitAsDefaultInstance();
+}
+
+::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<0> scc_info_FullName_exercise_5f2_2eproto =
+    {{ATOMIC_VAR_INIT(::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase::kUninitialized), 0, 0, InitDefaultsscc_info_FullName_exercise_5f2_2eproto}, {}};
+
+static void InitDefaultsscc_info_Student_exercise_5f2_2eproto() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+  {
+    void* ptr = &::exercise_2::_Student_default_instance_;
+    new (ptr) ::exercise_2::Student();
+    ::PROTOBUF_NAMESPACE_ID::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::exercise_2::Student::InitAsDefaultInstance();
+}
+
+::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_Student_exercise_5f2_2eproto =
+    {{ATOMIC_VAR_INIT(::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase::kUninitialized), 1, 0, InitDefaultsscc_info_Student_exercise_5f2_2eproto}, {
+      &scc_info_FullName_exercise_5f2_2eproto.base,}};
+
+static void InitDefaultsscc_info_StudentsGroup_exercise_5f2_2eproto() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+  {
+    void* ptr = &::exercise_2::_StudentsGroup_default_instance_;
+    new (ptr) ::exercise_2::StudentsGroup();
+    ::PROTOBUF_NAMESPACE_ID::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::exercise_2::StudentsGroup::InitAsDefaultInstance();
+}
+
+::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_StudentsGroup_exercise_5f2_2eproto =
+    {{ATOMIC_VAR_INIT(::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase::kUninitialized), 1, 0, InitDefaultsscc_info_StudentsGroup_exercise_5f2_2eproto}, {
+      &scc_info_Student_exercise_5f2_2eproto.base,}};
+
+static ::PROTOBUF_NAMESPACE_ID::Metadata file_level_metadata_exercise_5f2_2eproto[3];
+static constexpr ::PROTOBUF_NAMESPACE_ID::EnumDescriptor const** file_level_enum_descriptors_exercise_5f2_2eproto = nullptr;
+static constexpr ::PROTOBUF_NAMESPACE_ID::ServiceDescriptor const** file_level_service_descriptors_exercise_5f2_2eproto = nullptr;
+
+const ::PROTOBUF_NAMESPACE_ID::uint32 TableStruct_exercise_5f2_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
+  PROTOBUF_FIELD_OFFSET(::exercise_2::FullName, _has_bits_),
+  PROTOBUF_FIELD_OFFSET(::exercise_2::FullName, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  PROTOBUF_FIELD_OFFSET(::exercise_2::FullName, name_),
+  PROTOBUF_FIELD_OFFSET(::exercise_2::FullName, surname_),
+  PROTOBUF_FIELD_OFFSET(::exercise_2::FullName, patronymic_),
+  ~0u,
+  ~0u,
+  0,
+  ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::exercise_2::Student, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  PROTOBUF_FIELD_OFFSET(::exercise_2::Student, name_),
+  PROTOBUF_FIELD_OFFSET(::exercise_2::Student, grades_),
+  PROTOBUF_FIELD_OFFSET(::exercise_2::Student, avg_score_),
+  ~0u,  // no _has_bits_
+  PROTOBUF_FIELD_OFFSET(::exercise_2::StudentsGroup, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  PROTOBUF_FIELD_OFFSET(::exercise_2::StudentsGroup, students_),
+};
+static const ::PROTOBUF_NAMESPACE_ID::internal::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
+  { 0, 8, sizeof(::exercise_2::FullName)},
+  { 11, -1, sizeof(::exercise_2::Student)},
+  { 19, -1, sizeof(::exercise_2::StudentsGroup)},
+};
+
+static ::PROTOBUF_NAMESPACE_ID::Message const * const file_default_instances[] = {
+  reinterpret_cast<const ::PROTOBUF_NAMESPACE_ID::Message*>(&::exercise_2::_FullName_default_instance_),
+  reinterpret_cast<const ::PROTOBUF_NAMESPACE_ID::Message*>(&::exercise_2::_Student_default_instance_),
+  reinterpret_cast<const ::PROTOBUF_NAMESPACE_ID::Message*>(&::exercise_2::_StudentsGroup_default_instance_),
+};
+
+const char descriptor_table_protodef_exercise_5f2_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
+  "\n\020exercise_2.proto\022\nexercise_2\"Q\n\010FullNa"
+  "me\022\014\n\004name\030\001 \001(\t\022\017\n\007surname\030\002 \001(\t\022\027\n\npat"
+  "ronymic\030\003 \001(\tH\000\210\001\001B\r\n\013_patronymic\"P\n\007Stu"
+  "dent\022\"\n\004name\030\001 \001(\0132\024.exercise_2.FullName"
+  "\022\016\n\006grades\030\002 \003(\r\022\021\n\tavg_score\030\003 \001(\r\"6\n\rS"
+  "tudentsGroup\022%\n\010students\030\001 \003(\0132\023.exercis"
+  "e_2.Studentb\006proto3"
+  ;
+static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_exercise_5f2_2eproto_deps[1] = {
+};
+static ::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase*const descriptor_table_exercise_5f2_2eproto_sccs[3] = {
+  &scc_info_FullName_exercise_5f2_2eproto.base,
+  &scc_info_Student_exercise_5f2_2eproto.base,
+  &scc_info_StudentsGroup_exercise_5f2_2eproto.base,
+};
+static ::PROTOBUF_NAMESPACE_ID::internal::once_flag descriptor_table_exercise_5f2_2eproto_once;
+const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_exercise_5f2_2eproto = {
+  false, false, descriptor_table_protodef_exercise_5f2_2eproto, "exercise_2.proto", 259,
+  &descriptor_table_exercise_5f2_2eproto_once, descriptor_table_exercise_5f2_2eproto_sccs, descriptor_table_exercise_5f2_2eproto_deps, 3, 0,
+  schemas, file_default_instances, TableStruct_exercise_5f2_2eproto::offsets,
+  file_level_metadata_exercise_5f2_2eproto, 3, file_level_enum_descriptors_exercise_5f2_2eproto, file_level_service_descriptors_exercise_5f2_2eproto,
+};
+
+// Force running AddDescriptors() at dynamic initialization time.
+static bool dynamic_init_dummy_exercise_5f2_2eproto = (static_cast<void>(::PROTOBUF_NAMESPACE_ID::internal::AddDescriptors(&descriptor_table_exercise_5f2_2eproto)), true);
+namespace exercise_2 {
+
+// ===================================================================
+
+void FullName::InitAsDefaultInstance() {
+}
+class FullName::_Internal {
+ public:
+  using HasBits = decltype(std::declval<FullName>()._has_bits_);
+  static void set_has_patronymic(HasBits* has_bits) {
+    (*has_bits)[0] |= 1u;
+  }
+};
+
+FullName::FullName(::PROTOBUF_NAMESPACE_ID::Arena* arena)
+  : ::PROTOBUF_NAMESPACE_ID::Message(arena) {
+  SharedCtor();
+  RegisterArenaDtor(arena);
+  // @@protoc_insertion_point(arena_constructor:exercise_2.FullName)
+}
+FullName::FullName(const FullName& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message(),
+      _has_bits_(from._has_bits_) {
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  if (!from._internal_name().empty()) {
+    name_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from._internal_name(),
+      GetArena());
+  }
+  surname_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  if (!from._internal_surname().empty()) {
+    surname_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from._internal_surname(),
+      GetArena());
+  }
+  patronymic_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  if (from._internal_has_patronymic()) {
+    patronymic_.Set(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from._internal_patronymic(),
+      GetArena());
+  }
+  // @@protoc_insertion_point(copy_constructor:exercise_2.FullName)
+}
+
+void FullName::SharedCtor() {
+  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_FullName_exercise_5f2_2eproto.base);
+  name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  surname_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  patronymic_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+}
+
+FullName::~FullName() {
+  // @@protoc_insertion_point(destructor:exercise_2.FullName)
+  SharedDtor();
+  _internal_metadata_.Delete<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+void FullName::SharedDtor() {
+  GOOGLE_DCHECK(GetArena() == nullptr);
+  name_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  surname_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  patronymic_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+}
+
+void FullName::ArenaDtor(void* object) {
+  FullName* _this = reinterpret_cast< FullName* >(object);
+  (void)_this;
+}
+void FullName::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
+}
+void FullName::SetCachedSize(int size) const {
+  _cached_size_.Set(size);
+}
+const FullName& FullName::default_instance() {
+  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&::scc_info_FullName_exercise_5f2_2eproto.base);
+  return *internal_default_instance();
+}
+
+
+void FullName::Clear() {
+// @@protoc_insertion_point(message_clear_start:exercise_2.FullName)
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  name_.ClearToEmpty(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+  surname_.ClearToEmpty(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+  cached_has_bits = _has_bits_[0];
+  if (cached_has_bits & 0x00000001u) {
+    patronymic_.ClearNonDefaultToEmpty();
+  }
+  _has_bits_.Clear();
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* FullName::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
+#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
+  _Internal::HasBits has_bits{};
+  ::PROTOBUF_NAMESPACE_ID::Arena* arena = GetArena(); (void)arena;
+  while (!ctx->Done(&ptr)) {
+    ::PROTOBUF_NAMESPACE_ID::uint32 tag;
+    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
+    CHK_(ptr);
+    switch (tag >> 3) {
+      // string name = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
+          auto str = _internal_mutable_name();
+          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(::PROTOBUF_NAMESPACE_ID::internal::VerifyUTF8(str, "exercise_2.FullName.name"));
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
+      // string surname = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
+          auto str = _internal_mutable_surname();
+          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(::PROTOBUF_NAMESPACE_ID::internal::VerifyUTF8(str, "exercise_2.FullName.surname"));
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
+      // string patronymic = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 26)) {
+          auto str = _internal_mutable_patronymic();
+          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(::PROTOBUF_NAMESPACE_ID::internal::VerifyUTF8(str, "exercise_2.FullName.patronymic"));
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
+      default: {
+      handle_unusual:
+        if ((tag & 7) == 4 || tag == 0) {
+          ctx->SetLastTag(tag);
+          goto success;
+        }
+        ptr = UnknownFieldParse(tag,
+            _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+            ptr, ctx);
+        CHK_(ptr != nullptr);
+        continue;
+      }
+    }  // switch
+  }  // while
+success:
+  _has_bits_.Or(has_bits);
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto success;
+#undef CHK_
+}
+
+::PROTOBUF_NAMESPACE_ID::uint8* FullName::_InternalSerialize(
+    ::PROTOBUF_NAMESPACE_ID::uint8* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:exercise_2.FullName)
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string name = 1;
+  if (this->name().size() > 0) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_name().data(), static_cast<int>(this->_internal_name().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "exercise_2.FullName.name");
+    target = stream->WriteStringMaybeAliased(
+        1, this->_internal_name(), target);
+  }
+
+  // string surname = 2;
+  if (this->surname().size() > 0) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_surname().data(), static_cast<int>(this->_internal_surname().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "exercise_2.FullName.surname");
+    target = stream->WriteStringMaybeAliased(
+        2, this->_internal_surname(), target);
+  }
+
+  // string patronymic = 3;
+  if (_internal_has_patronymic()) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_patronymic().data(), static_cast<int>(this->_internal_patronymic().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "exercise_2.FullName.patronymic");
+    target = stream->WriteStringMaybeAliased(
+        3, this->_internal_patronymic(), target);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:exercise_2.FullName)
+  return target;
+}
+
+size_t FullName::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:exercise_2.FullName)
+  size_t total_size = 0;
+
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // string name = 1;
+  if (this->name().size() > 0) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_name());
+  }
+
+  // string surname = 2;
+  if (this->surname().size() > 0) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_surname());
+  }
+
+  // string patronymic = 3;
+  cached_has_bits = _has_bits_[0];
+  if (cached_has_bits & 0x00000001u) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_patronymic());
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
+        _internal_metadata_, total_size, &_cached_size_);
+  }
+  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
+  SetCachedSize(cached_size);
+  return total_size;
+}
+
+void FullName::MergeFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:exercise_2.FullName)
+  GOOGLE_DCHECK_NE(&from, this);
+  const FullName* source =
+      ::PROTOBUF_NAMESPACE_ID::DynamicCastToGenerated<FullName>(
+          &from);
+  if (source == nullptr) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:exercise_2.FullName)
+    ::PROTOBUF_NAMESPACE_ID::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:exercise_2.FullName)
+    MergeFrom(*source);
+  }
+}
+
+void FullName::MergeFrom(const FullName& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:exercise_2.FullName)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from.name().size() > 0) {
+    _internal_set_name(from._internal_name());
+  }
+  if (from.surname().size() > 0) {
+    _internal_set_surname(from._internal_surname());
+  }
+  if (from._internal_has_patronymic()) {
+    _internal_set_patronymic(from._internal_patronymic());
+  }
+}
+
+void FullName::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:exercise_2.FullName)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void FullName::CopyFrom(const FullName& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:exercise_2.FullName)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool FullName::IsInitialized() const {
+  return true;
+}
+
+void FullName::InternalSwap(FullName* other) {
+  using std::swap;
+  _internal_metadata_.Swap<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(&other->_internal_metadata_);
+  swap(_has_bits_[0], other->_has_bits_[0]);
+  name_.Swap(&other->name_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+  surname_.Swap(&other->surname_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+  patronymic_.Swap(&other->patronymic_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata FullName::GetMetadata() const {
+  return GetMetadataStatic();
+}
+
+
+// ===================================================================
+
+void Student::InitAsDefaultInstance() {
+  ::exercise_2::_Student_default_instance_._instance.get_mutable()->name_ = const_cast< ::exercise_2::FullName*>(
+      ::exercise_2::FullName::internal_default_instance());
+}
+class Student::_Internal {
+ public:
+  static const ::exercise_2::FullName& name(const Student* msg);
+};
+
+const ::exercise_2::FullName&
+Student::_Internal::name(const Student* msg) {
+  return *msg->name_;
+}
+Student::Student(::PROTOBUF_NAMESPACE_ID::Arena* arena)
+  : ::PROTOBUF_NAMESPACE_ID::Message(arena),
+  grades_(arena) {
+  SharedCtor();
+  RegisterArenaDtor(arena);
+  // @@protoc_insertion_point(arena_constructor:exercise_2.Student)
+}
+Student::Student(const Student& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message(),
+      grades_(from.grades_) {
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  if (from._internal_has_name()) {
+    name_ = new ::exercise_2::FullName(*from.name_);
+  } else {
+    name_ = nullptr;
+  }
+  avg_score_ = from.avg_score_;
+  // @@protoc_insertion_point(copy_constructor:exercise_2.Student)
+}
+
+void Student::SharedCtor() {
+  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_Student_exercise_5f2_2eproto.base);
+  ::memset(&name_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&avg_score_) -
+      reinterpret_cast<char*>(&name_)) + sizeof(avg_score_));
+}
+
+Student::~Student() {
+  // @@protoc_insertion_point(destructor:exercise_2.Student)
+  SharedDtor();
+  _internal_metadata_.Delete<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+void Student::SharedDtor() {
+  GOOGLE_DCHECK(GetArena() == nullptr);
+  if (this != internal_default_instance()) delete name_;
+}
+
+void Student::ArenaDtor(void* object) {
+  Student* _this = reinterpret_cast< Student* >(object);
+  (void)_this;
+}
+void Student::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
+}
+void Student::SetCachedSize(int size) const {
+  _cached_size_.Set(size);
+}
+const Student& Student::default_instance() {
+  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&::scc_info_Student_exercise_5f2_2eproto.base);
+  return *internal_default_instance();
+}
+
+
+void Student::Clear() {
+// @@protoc_insertion_point(message_clear_start:exercise_2.Student)
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  grades_.Clear();
+  if (GetArena() == nullptr && name_ != nullptr) {
+    delete name_;
+  }
+  name_ = nullptr;
+  avg_score_ = 0u;
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* Student::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
+#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
+  ::PROTOBUF_NAMESPACE_ID::Arena* arena = GetArena(); (void)arena;
+  while (!ctx->Done(&ptr)) {
+    ::PROTOBUF_NAMESPACE_ID::uint32 tag;
+    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
+    CHK_(ptr);
+    switch (tag >> 3) {
+      // .exercise_2.FullName name = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
+          ptr = ctx->ParseMessage(_internal_mutable_name(), ptr);
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
+      // repeated uint32 grades = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
+          ptr = ::PROTOBUF_NAMESPACE_ID::internal::PackedUInt32Parser(_internal_mutable_grades(), ptr, ctx);
+          CHK_(ptr);
+        } else if (static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 16) {
+          _internal_add_grades(::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr));
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
+      // uint32 avg_score = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 24)) {
+          avg_score_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint32(&ptr);
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
+      default: {
+      handle_unusual:
+        if ((tag & 7) == 4 || tag == 0) {
+          ctx->SetLastTag(tag);
+          goto success;
+        }
+        ptr = UnknownFieldParse(tag,
+            _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+            ptr, ctx);
+        CHK_(ptr != nullptr);
+        continue;
+      }
+    }  // switch
+  }  // while
+success:
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto success;
+#undef CHK_
+}
+
+::PROTOBUF_NAMESPACE_ID::uint8* Student::_InternalSerialize(
+    ::PROTOBUF_NAMESPACE_ID::uint8* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:exercise_2.Student)
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .exercise_2.FullName name = 1;
+  if (this->has_name()) {
+    target = stream->EnsureSpace(target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(
+        1, _Internal::name(this), target, stream);
+  }
+
+  // repeated uint32 grades = 2;
+  {
+    int byte_size = _grades_cached_byte_size_.load(std::memory_order_relaxed);
+    if (byte_size > 0) {
+      target = stream->WriteUInt32Packed(
+          2, _internal_grades(), byte_size, target);
+    }
+  }
+
+  // uint32 avg_score = 3;
+  if (this->avg_score() != 0) {
+    target = stream->EnsureSpace(target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteUInt32ToArray(3, this->_internal_avg_score(), target);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:exercise_2.Student)
+  return target;
+}
+
+size_t Student::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:exercise_2.Student)
+  size_t total_size = 0;
+
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // repeated uint32 grades = 2;
+  {
+    size_t data_size = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      UInt32Size(this->grades_);
+    if (data_size > 0) {
+      total_size += 1 +
+        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::Int32Size(
+            static_cast<::PROTOBUF_NAMESPACE_ID::int32>(data_size));
+    }
+    int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(data_size);
+    _grades_cached_byte_size_.store(cached_size,
+                                    std::memory_order_relaxed);
+    total_size += data_size;
+  }
+
+  // .exercise_2.FullName name = 1;
+  if (this->has_name()) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
+        *name_);
+  }
+
+  // uint32 avg_score = 3;
+  if (this->avg_score() != 0) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::UInt32Size(
+        this->_internal_avg_score());
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
+        _internal_metadata_, total_size, &_cached_size_);
+  }
+  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
+  SetCachedSize(cached_size);
+  return total_size;
+}
+
+void Student::MergeFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:exercise_2.Student)
+  GOOGLE_DCHECK_NE(&from, this);
+  const Student* source =
+      ::PROTOBUF_NAMESPACE_ID::DynamicCastToGenerated<Student>(
+          &from);
+  if (source == nullptr) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:exercise_2.Student)
+    ::PROTOBUF_NAMESPACE_ID::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:exercise_2.Student)
+    MergeFrom(*source);
+  }
+}
+
+void Student::MergeFrom(const Student& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:exercise_2.Student)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  grades_.MergeFrom(from.grades_);
+  if (from.has_name()) {
+    _internal_mutable_name()->::exercise_2::FullName::MergeFrom(from._internal_name());
+  }
+  if (from.avg_score() != 0) {
+    _internal_set_avg_score(from._internal_avg_score());
+  }
+}
+
+void Student::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:exercise_2.Student)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void Student::CopyFrom(const Student& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:exercise_2.Student)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool Student::IsInitialized() const {
+  return true;
+}
+
+void Student::InternalSwap(Student* other) {
+  using std::swap;
+  _internal_metadata_.Swap<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(&other->_internal_metadata_);
+  grades_.InternalSwap(&other->grades_);
+  ::PROTOBUF_NAMESPACE_ID::internal::memswap<
+      PROTOBUF_FIELD_OFFSET(Student, avg_score_)
+      + sizeof(Student::avg_score_)
+      - PROTOBUF_FIELD_OFFSET(Student, name_)>(
+          reinterpret_cast<char*>(&name_),
+          reinterpret_cast<char*>(&other->name_));
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata Student::GetMetadata() const {
+  return GetMetadataStatic();
+}
+
+
+// ===================================================================
+
+void StudentsGroup::InitAsDefaultInstance() {
+}
+class StudentsGroup::_Internal {
+ public:
+};
+
+StudentsGroup::StudentsGroup(::PROTOBUF_NAMESPACE_ID::Arena* arena)
+  : ::PROTOBUF_NAMESPACE_ID::Message(arena),
+  students_(arena) {
+  SharedCtor();
+  RegisterArenaDtor(arena);
+  // @@protoc_insertion_point(arena_constructor:exercise_2.StudentsGroup)
+}
+StudentsGroup::StudentsGroup(const StudentsGroup& from)
+  : ::PROTOBUF_NAMESPACE_ID::Message(),
+      students_(from.students_) {
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  // @@protoc_insertion_point(copy_constructor:exercise_2.StudentsGroup)
+}
+
+void StudentsGroup::SharedCtor() {
+  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_StudentsGroup_exercise_5f2_2eproto.base);
+}
+
+StudentsGroup::~StudentsGroup() {
+  // @@protoc_insertion_point(destructor:exercise_2.StudentsGroup)
+  SharedDtor();
+  _internal_metadata_.Delete<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+void StudentsGroup::SharedDtor() {
+  GOOGLE_DCHECK(GetArena() == nullptr);
+}
+
+void StudentsGroup::ArenaDtor(void* object) {
+  StudentsGroup* _this = reinterpret_cast< StudentsGroup* >(object);
+  (void)_this;
+}
+void StudentsGroup::RegisterArenaDtor(::PROTOBUF_NAMESPACE_ID::Arena*) {
+}
+void StudentsGroup::SetCachedSize(int size) const {
+  _cached_size_.Set(size);
+}
+const StudentsGroup& StudentsGroup::default_instance() {
+  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&::scc_info_StudentsGroup_exercise_5f2_2eproto.base);
+  return *internal_default_instance();
+}
+
+
+void StudentsGroup::Clear() {
+// @@protoc_insertion_point(message_clear_start:exercise_2.StudentsGroup)
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  students_.Clear();
+  _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
+}
+
+const char* StudentsGroup::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
+#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
+  ::PROTOBUF_NAMESPACE_ID::Arena* arena = GetArena(); (void)arena;
+  while (!ctx->Done(&ptr)) {
+    ::PROTOBUF_NAMESPACE_ID::uint32 tag;
+    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
+    CHK_(ptr);
+    switch (tag >> 3) {
+      // repeated .exercise_2.Student students = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
+          ptr -= 1;
+          do {
+            ptr += 1;
+            ptr = ctx->ParseMessage(_internal_add_students(), ptr);
+            CHK_(ptr);
+            if (!ctx->DataAvailable(ptr)) break;
+          } while (::PROTOBUF_NAMESPACE_ID::internal::ExpectTag<10>(ptr));
+        } else goto handle_unusual;
+        continue;
+      default: {
+      handle_unusual:
+        if ((tag & 7) == 4 || tag == 0) {
+          ctx->SetLastTag(tag);
+          goto success;
+        }
+        ptr = UnknownFieldParse(tag,
+            _internal_metadata_.mutable_unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(),
+            ptr, ctx);
+        CHK_(ptr != nullptr);
+        continue;
+      }
+    }  // switch
+  }  // while
+success:
+  return ptr;
+failure:
+  ptr = nullptr;
+  goto success;
+#undef CHK_
+}
+
+::PROTOBUF_NAMESPACE_ID::uint8* StudentsGroup::_InternalSerialize(
+    ::PROTOBUF_NAMESPACE_ID::uint8* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
+  // @@protoc_insertion_point(serialize_to_array_start:exercise_2.StudentsGroup)
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // repeated .exercise_2.Student students = 1;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->_internal_students_size()); i < n; i++) {
+    target = stream->EnsureSpace(target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+      InternalWriteMessage(1, this->_internal_students(i), target, stream);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
+        _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:exercise_2.StudentsGroup)
+  return target;
+}
+
+size_t StudentsGroup::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:exercise_2.StudentsGroup)
+  size_t total_size = 0;
+
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  // repeated .exercise_2.Student students = 1;
+  total_size += 1UL * this->_internal_students_size();
+  for (const auto& msg : this->students_) {
+    total_size +=
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(msg);
+  }
+
+  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
+    return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
+        _internal_metadata_, total_size, &_cached_size_);
+  }
+  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
+  SetCachedSize(cached_size);
+  return total_size;
+}
+
+void StudentsGroup::MergeFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:exercise_2.StudentsGroup)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StudentsGroup* source =
+      ::PROTOBUF_NAMESPACE_ID::DynamicCastToGenerated<StudentsGroup>(
+          &from);
+  if (source == nullptr) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:exercise_2.StudentsGroup)
+    ::PROTOBUF_NAMESPACE_ID::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:exercise_2.StudentsGroup)
+    MergeFrom(*source);
+  }
+}
+
+void StudentsGroup::MergeFrom(const StudentsGroup& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:exercise_2.StudentsGroup)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
+  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  students_.MergeFrom(from.students_);
+}
+
+void StudentsGroup::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:exercise_2.StudentsGroup)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StudentsGroup::CopyFrom(const StudentsGroup& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:exercise_2.StudentsGroup)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StudentsGroup::IsInitialized() const {
+  return true;
+}
+
+void StudentsGroup::InternalSwap(StudentsGroup* other) {
+  using std::swap;
+  _internal_metadata_.Swap<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(&other->_internal_metadata_);
+  students_.InternalSwap(&other->students_);
+}
+
+::PROTOBUF_NAMESPACE_ID::Metadata StudentsGroup::GetMetadata() const {
+  return GetMetadataStatic();
+}
+
+
+// @@protoc_insertion_point(namespace_scope)
+}  // namespace exercise_2
+PROTOBUF_NAMESPACE_OPEN
+template<> PROTOBUF_NOINLINE ::exercise_2::FullName* Arena::CreateMaybeMessage< ::exercise_2::FullName >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::exercise_2::FullName >(arena);
+}
+template<> PROTOBUF_NOINLINE ::exercise_2::Student* Arena::CreateMaybeMessage< ::exercise_2::Student >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::exercise_2::Student >(arena);
+}
+template<> PROTOBUF_NOINLINE ::exercise_2::StudentsGroup* Arena::CreateMaybeMessage< ::exercise_2::StudentsGroup >(Arena* arena) {
+  return Arena::CreateMessageInternal< ::exercise_2::StudentsGroup >(arena);
+}
+PROTOBUF_NAMESPACE_CLOSE
+
+// @@protoc_insertion_point(global_scope)
+#include <google/protobuf/port_undef.inc>

lesson_7/student.bin

@@ -0,0 +1,4 @@
+
+0
+"
+	AlexanderZhirov
Alexandrovich