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INITIALIZATION IN MODERN C++
C++ feature

Content Covered

Default initialization

Copy initialization

Aggregate initialization

Case 1: Zero initialized for aggregate
Case 2: Brace elision

Direct initialization

Case 1: Explicit - Copy initialization will not work with explicit constructors
Case 2: Both explicit and normal constructor
Case 3: Problem with direct initialization - passing object

Static initialization

Value initialization

Case 1: Zero initialization
Case 2: No user defined constructor i.e. no user defined initialization.
Case 3: With User defined constructor
Case 4: default constructor outside class, it will be treated as user provided.

C++ 11: Uniform initialization

Types:
1. Direct-list-initialization
2. Copy-list-initialization
About std::initializer_list
Problems with std::initializer_list
std::initializer_list for Agregate types [Special case with empty braces]:

C++14: Bug fixes for initialization

Aggregates can have default memory initializers (DMI).
auto keyword fix

C++17: Bug fixes for initialization

Copy elision

C++20: Features and Bug fixes for initialization

Designated Initialization
Array deduction
Aggregate no longer declare constructors
Support for Aggregates initialization with parenthesis i

Mohammed Iliyas

MOHAMMED ILIYAS

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