Default and Copy Constructors

Table of Contents

1. The Default Constructor

1.1. Declaring a Default Constructor

1.2. Why 'default'?

1.3. Implicit Use: Arrays

1.4. Implicit Use: Other Constructors

1.5. Explicit Construction in Other Constructors

1.6. Explicit Construction: Initializer Lists

1.7. Initializer Lists

1.8. The Helpful Compiler

1.9. Example: Name

1.10. Example: Name 2

1.11. Example: Name 3

1.12. Example: BidCollectionBook implicit default constructor

1.13. Example: BidCollectionBook explicit default constructor

2. Copy Constructors

2.1. Where Do We Use a Copy Constructor?

2.2. Compiler-Generated Copy Constructors

2.3. Example: Bid: Compiler-Generated Copy Constructor

2.4. Example: BidCollection: Compiler-Generated Copy Constructor

2.5. Example: BidCollection: harder to copy

2.6.

2.7.

2.8.

2.9.

2.10.

2.11. Trouble: bids is corrupted

2.12. That's not the worst of it!

2.13. What a Mess!

2.14. Avoiding this Problem

2.15. Writing a BidCollection Copy Constructor

2.16. Once More, With Feeling!

2.17.

2.18.

2.19.

2.20.

2.21. Much Nicer

2.22. Shallow & Deep Copying

3. Assignment

3.1. Compiler-Generated Assignment Ops

3.2. Example: BidCollection: Guess what happens

3.3.

3.4.

3.5.

3.6.

3.7. Again: bids is corrupted

3.8. Avoiding this Problem