V

valid, program, 740

valid but unspecified, 537

valid pointer, 52

value initialization, 98, 132

• dynamically allocated, object, 459

• map subscript operator, 435

• new[], 478

• resize, 352

• sequential container, 336

• tuple, 718

• uses default constructor, 293

• vector, 98

value_type

• associative container, 428, 448

• sequential container, 333

valuelike class, copy control, 512

varargs, 222

variable, 8, 28, 41, 41–49, 80

• const, 59

• constexpr, 66

• declaration, 45

• class type, 294

• define before use, 46

• defined after label, 182, 192

• definition, 41, 45

• extern, 45

• extern and const, 60

• initialization, 42, 43, 79

• is lvalue, 533

• lifetime, 204

• local, 204, 252

• preprocessor, 79

variadic template, 699, 714

• declaration dependencies, 702

• forwarding, 704

• usage pattern, 706

• function matching, 702

• pack expansion, 702–704

• parameter pack, 699

• print program, 701

• recursive function, 701

• sizeof..., 700

vector, 96–105, 132, 373

• see alsocontainer

• see alsosequential container

• see alsoiterator

• [] (subscript), 103, 132, 347

• = (assignment), list initialization, 145

• at, 348

• capacity, 356

• capacity program, 357

• definition, 97

• difference_type, 112

• erase, changes container size, 385

• header, 96, 329

• initialization, 97–101, 334–337

• initialization from array, 125

• list initialization, 98, 336

• memory management, 355

• overview, 326

• push_back, invalidates iterator, 354

• random-access iterator, 412

• reserve, 356

• subscript range, 105

• TextQuery class, 485

• value initialization, 98, 336

viable function, 243, 252

• see alsofunction matching

virtual base class, 811, 818

• ambiguities, 812

• Bear, 812

• class derivation list, 812

• conversion, 812

• derived class constructor, 813

• iostream, 810

• name lookup, 812

• order of destruction, 815

• order of initialization, 814

• ostream, 810

• Raccoon, 812

• ToyAnimal, 815

• ZooAnimal, 811

virtual function, 592, 595, 603–610, 650

• compared to run-time type identification, 829

• default argument, 607

• derived class, 596

• destructor, 622

• exception specification, 781

• final specifier, 607

• in constructor, destructor, 627

• multiple inheritance, 807

• overloaded function, 621

• override, 595, 650

• override specifier, 593, 596, 606

• overriding run-time binding, 607

• overview, 595

• pure, 609

• resolved at run time, 604, 605

• return type, 606

• scope, 620

• type-sensitive equality, 829

virtual inheritance, seevirtual base class

Visual Studio, 5

void, 32, 80

• return type, 223

void*, 56, 80

• conversion from pointer, 161

volatile, 856, 864

• pointer, 856

• synthesized copy-control members, 857

vowel counting, program, 179