In Embracing Modern C++ Safely, John Lakos and Vittorio Romeo analyze each core language feature of GÇ£Modern C++GÇ¥ (introduced by C++11 and C++14), illuminating exactly what developers and teams must know to succeed. Lakos and Romeo present extensive real-life code examples; thoroughly describe pitfalls that arise when engineers with diverse experience use these features together, and illuminate issues that repeatedly occur in real-world application development. Drawing on their extensive C++ experience, they focus on major features of C++ 14 and C++ 11 that have been around long enough to…mehr
In Embracing Modern C++ Safely, John Lakos and Vittorio Romeo analyze each core language feature of GÇ£Modern C++GÇ¥ (introduced by C++11 and C++14), illuminating exactly what developers and teams must know to succeed. Lakos and Romeo present extensive real-life code examples; thoroughly describe pitfalls that arise when engineers with diverse experience use these features together, and illuminate issues that repeatedly occur in real-world application development. Drawing on their extensive C++ experience, they focus on major features of C++ 14 and C++ 11 that have been around long enough to be thoroughly evaluated. You will learn which GÇ£modernGÇ¥ features are safe under almost all circumstances; which carry a real risk of misuse and suboptimal results if programmers are improperly educated and trained; and which are generally GÇ£unsafe,GÇ¥ and should be used rarely if at all. If you are ready to safely make the most of Modern C++, the in-depth, hands-on insights from this guide will help you improve your productivity and build far more robust software.
Dr. John Lakos is a senior architect and mentor for software development at Bloomberg LP, where he created the BDE team (c. 2001), which maintains Bloomberg's open-source foundation libraries for C++ development worldwide. He is the author of Large-Scale C++ Software Design and Large-Scale C++ Volume I: Process and Architecture (both from Addison-Wesley), and is an active voting member of the C++ Standards Committee. Vittorio Romeo is a senior software engineer at Bloomberg, building mission-critical C++ middleware and training colleagues on modern C++. He is also the creator of many open-source C++ libraries and games. Dr. Rostislav Khlebnikov is a team lead and senior software engineer in Bloomberg's BDE team, where he directs the development of high-performance C++ foundation software. Alisdair Meredith is a senior software engineer in Bloomberg's BDE team and a long-standing member of the C++ Standards Committee, where he was the Chair of its Library Working Group between 2010 and 2015.
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Foreword by Shawn Edwards xiii Foreword by Andrei Alexandrescu xv Acknowledgments xix About the Authors xxv Chapter 0: Introduction 1 What Makes This Book Different 1 Scope for the First Edition 2 The EMC++S Guiding Principles 3 What Do We Mean by Safely? 4 A Safe Feature 5 A Conditionally Safe Feature 5 An Unsafe Feature 6 Modern C++ Feature Catalog 6 How to Use This Book 8 Chapter 1: Safe Features 11 1.1 C++11 11 Attribute Syntax Generalized Attribute Support 12 >s Consecutive Right-Angle Brackets 21 decltype Operator for Extracting Expression Types 25 Defaulted Functions Using = default for Special Member Functions 33 Delegating Ctors Constructors Calling Other Constructors 46 Deleted Functions Using = delete for Arbitrary Functions 53 explicit Operators Explicit Conversion Operators 61 Function static '11 Thread-Safe Function-Scope static Variables 68 Local Types '11 Local/Unnamed Types as Template Arguments 83 long long The long long (64 bits) Integral Type 89 noreturn The [[noreturn]] Attribute 95 nullptr The Null-Pointer-Literal Keyword 99 override The override Member-Function Specifier 104 Raw String Literals Syntax for Unprocessed String Contents 108 static_assert Compile-Time Assertions 115 Trailing Return Trailing Function Return Types 124 Unicode Literals Unicode String Literals 129 using Aliases Type/Template Aliases (Extended typedef) 133 1.2 C++14 138 Aggregate Init '14 Aggregates Having Default Member Initializers 138 Binary Literals Binary Literals: The 0b Prefix 142 deprecated The [[deprecated]] Attribute 147 Digit Separators The Digit Separator (') 152 Variable Templates Templated Variable Declarations/Definitions 157 Chapter 2: Conditionally Safe Features 167 2.1 C++11 167 alignas The alignas Specifier 168 alignof The alignof Operator 184 auto Variables Variables of Automatically Deduced Type 195 Braced Init Braced-Initialization Syntax: {} 215 constexpr Functions Compile-Time Invocable Functions 257 constexpr Variables Compile-Time Accessible Variables 302 Default Member Init Default class/union Member Initializers 318 enum class Strongly Typed, Scoped Enumerations 332 extern template Explicit-Instantiation Declarations 353 Forwarding References Forwarding References (T&&) 377 Generalized PODs '11 Trivial and Standard-Layout Types 401 Inheriting Ctors Inheriting Base-Class Constructors 535 initializer_list List Initialization: std::initializer_list 553 Lambdas Anonymous Function Objects (Closures) 573 noexcept Operator Asking if an Expression Cannot throw 615 Opaque enums Opaque Enumeration Declarations 660 Range for Range-Based for Loops 679 Rvalue References Move Semantics and Rvalue References (&&) 710 Underlying Type '11 Explicit Enumeration Underlying Type 829 User-Defined Literals User-Defined Literal Operators 835 Variadic Templates Variable-Argument-Count Templates 873 2.2 C++14 958 constexpr Functions '14 Relaxed Restrictions on constexpr Functions 959 Generic Lambdas Lambdas Having a Templated Call Operator 968 Lambda Captures Lambda-Capture Expressions 986 Chapter 3: Unsafe Features 997 3.1 C++11 997 carries_dependency The [[carries_dependency]] Attribute 998 final Prohibiting Overriding and Derivation 1007 friend '11 Extended friend Declarations 1031 inline namespace Transparently Nested Namespaces 1055 noexcept Specifier The noexcept Function Specification 1085 Ref-Qualifiers Reference-Qualified Member Functions 1153 union '11 Unions Having Non-Trivial Members 1174 3.2 C++14 1182 auto Return Function (auto) Return-Type Deduction 1182 decltype(auto) Deducing Types Using decltype Semantics 1205 Afterword: Looking Back and Looking Forward 1215 Glossary 1217 Bibliography 1281 Index 1305
Foreword by Shawn Edwards xiii Foreword by Andrei Alexandrescu xv Acknowledgments xix About the Authors xxv Chapter 0: Introduction 1 What Makes This Book Different 1 Scope for the First Edition 2 The EMC++S Guiding Principles 3 What Do We Mean by Safely? 4 A Safe Feature 5 A Conditionally Safe Feature 5 An Unsafe Feature 6 Modern C++ Feature Catalog 6 How to Use This Book 8 Chapter 1: Safe Features 11 1.1 C++11 11 Attribute Syntax Generalized Attribute Support 12 >s Consecutive Right-Angle Brackets 21 decltype Operator for Extracting Expression Types 25 Defaulted Functions Using = default for Special Member Functions 33 Delegating Ctors Constructors Calling Other Constructors 46 Deleted Functions Using = delete for Arbitrary Functions 53 explicit Operators Explicit Conversion Operators 61 Function static '11 Thread-Safe Function-Scope static Variables 68 Local Types '11 Local/Unnamed Types as Template Arguments 83 long long The long long (64 bits) Integral Type 89 noreturn The [[noreturn]] Attribute 95 nullptr The Null-Pointer-Literal Keyword 99 override The override Member-Function Specifier 104 Raw String Literals Syntax for Unprocessed String Contents 108 static_assert Compile-Time Assertions 115 Trailing Return Trailing Function Return Types 124 Unicode Literals Unicode String Literals 129 using Aliases Type/Template Aliases (Extended typedef) 133 1.2 C++14 138 Aggregate Init '14 Aggregates Having Default Member Initializers 138 Binary Literals Binary Literals: The 0b Prefix 142 deprecated The [[deprecated]] Attribute 147 Digit Separators The Digit Separator (') 152 Variable Templates Templated Variable Declarations/Definitions 157 Chapter 2: Conditionally Safe Features 167 2.1 C++11 167 alignas The alignas Specifier 168 alignof The alignof Operator 184 auto Variables Variables of Automatically Deduced Type 195 Braced Init Braced-Initialization Syntax: {} 215 constexpr Functions Compile-Time Invocable Functions 257 constexpr Variables Compile-Time Accessible Variables 302 Default Member Init Default class/union Member Initializers 318 enum class Strongly Typed, Scoped Enumerations 332 extern template Explicit-Instantiation Declarations 353 Forwarding References Forwarding References (T&&) 377 Generalized PODs '11 Trivial and Standard-Layout Types 401 Inheriting Ctors Inheriting Base-Class Constructors 535 initializer_list List Initialization: std::initializer_list 553 Lambdas Anonymous Function Objects (Closures) 573 noexcept Operator Asking if an Expression Cannot throw 615 Opaque enums Opaque Enumeration Declarations 660 Range for Range-Based for Loops 679 Rvalue References Move Semantics and Rvalue References (&&) 710 Underlying Type '11 Explicit Enumeration Underlying Type 829 User-Defined Literals User-Defined Literal Operators 835 Variadic Templates Variable-Argument-Count Templates 873 2.2 C++14 958 constexpr Functions '14 Relaxed Restrictions on constexpr Functions 959 Generic Lambdas Lambdas Having a Templated Call Operator 968 Lambda Captures Lambda-Capture Expressions 986 Chapter 3: Unsafe Features 997 3.1 C++11 997 carries_dependency The [[carries_dependency]] Attribute 998 final Prohibiting Overriding and Derivation 1007 friend '11 Extended friend Declarations 1031 inline namespace Transparently Nested Namespaces 1055 noexcept Specifier The noexcept Function Specification 1085 Ref-Qualifiers Reference-Qualified Member Functions 1153 union '11 Unions Having Non-Trivial Members 1174 3.2 C++14 1182 auto Return Function (auto) Return-Type Deduction 1182 decltype(auto) Deducing Types Using decltype Semantics 1205 Afterword: Looking Back and Looking Forward 1215 Glossary 1217 Bibliography 1281 Index 1305
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