listings-Chap16-README.md

Listings of Chap16.docx

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• Listing 16.1: Which variables can you use for “x1” to “x5”?
  • Book: lst-0001-book.cpp
  • Godbolt: lst-0001-godb.cpp, https://godbolt.org/z/9jGKPbzqo
• Listing 16.2: When you call a function with a parameter for which the compiler invokes a constructor to perform a conversion, it creates a temp-value.
  • Book: lst-0002-book.cpp
  • Godbolt: lst-0002-godb.cpp, https://godbolt.org/z/eK1Ervjs5
• Listing 16.3: A destructor is executed when an object is removed.
  • Book: lst-0003-book.cpp
  • Godbolt: lst-0003-godb.cpp, https://godbolt.org/z/WPcTv3zKM
• Listing 16.4: Here, many objects are created and destroyed.
  • Book: lst-0004-book.cpp
  • Godbolt: lst-0004-godb.cpp, https://godbolt.org/z/ennEoWPzb
• Listing 16.5: This output shows when objects are created and destroyed.
  • Book: lst-0005-book.cpp
• Listing 16.6: A simple example of a C interface to a resource.
  • Book: lst-0006-book.cpp
  • Godbolt: lst-0006-godb.cpp, https://godbolt.org/z/54dzsb31z
• Listing 16.7: If you need to close a resource, the destructor is suitable for this.
  • Book: lst-0007-book.cpp
  • Godbolt: lst-0007-godb.cpp, https://godbolt.org/z/6399qK9Ts
• Listing 16.8: The constructor initializes or throws an exception.
  • Book: lst-0008-book.cpp
• Listing 16.9: Examples of Yoda conditions with “==”.
  • Book: lst-0010-book.cpp
• Listing 16.10: A Yoda condition with a method call.
  • Book: lst-0011-book.cpp
• Listing 16.11: The constructor of “CanThrow” can terminate with an exception.
  • Book: lst-0012-book.cpp
  • Godbolt: lst-0012-godb.cpp, https://godbolt.org/z/99PPn595E
• Listing 16.12: Partially initialized data fields are also cleaned up in the case of an exception.
  • Book: lst-0013-book.cpp
• Listing 16.13: Passing by value creates objects with the compiler-generated copy constructor.
  • Book: lst-0014-book.cpp
  • Godbolt: lst-0014-godb.cpp, https://godbolt.org/z/3T869arc8
• Listing 16.14: The copy constructor takes a constant reference of the class as an argument.
  • Book: lst-0015-book.cpp
  • Godbolt: lst-0015-godb.cpp, https://godbolt.org/z/sGan39a8z
• Listing 16.15: Copy and assignment.
  • Book: lst-0016-book.cpp
• GodboltId:5M8xKabjK
  • Book: lst-0017-book.cpp
  • Godbolt: lst-0017-godb.cpp, https://godbolt.org/z/5M8xKabjK
• Listing 16.16: The schema for implementing a custom assignment operator.
  • Book: lst-0019-book.cpp
  • Godbolt: lst-0019-godb.cpp, https://godbolt.org/z/s65GvY9xj
• Listing 16.17: The “const” data element is initially without an assignment operator.
  • Book: lst-0020-book.cpp
• Listing 16.18: Use “= delete” to manually remove operations.
  • Book: lst-0021-book.cpp
  • Godbolt: lst-0021-godb.cpp, https://godbolt.org/z/398GhcbaE
• Listing 16.19: With the deleted functions, the compiler prevents incorrect usage of the class.
  • Book: lst-0022-book.cpp
  • Godbolt: lst-0022-godb.cpp, https://godbolt.org/z/vb5a3EjcY
• Listing 16.20: The class probably contains large amounts of data that are expensive to copy. But what is being copied here?
  • Book: lst-0023-book.cpp
  • Godbolt: lst-0023-godb.cpp, https://godbolt.org/z/75Kh5Ws45
• Listing 16.21: Implementation of the two move operations.
  • Book: lst-0024-book.cpp
  • Godbolt: lst-0024-godb.cpp, https://godbolt.org/z/aoqW86vs8
• Listing 16.22: Infix, function, and method notation for operators.
  • Book: lst-0030-book.cpp
  • Godbolt: lst-0030-godb.cpp, https://godbolt.org/z/P99563KoP
• Listing 16.23: A “friend” function is not a method, even if it is inside the class or defined there.
  • Book: lst-0031-book.cpp
  • Godbolt: lst-0031-godb.cpp, https://godbolt.org/z/Wvr3aK75G
• Listing 16.24: A data type almost fully equipped with all operators.
  • Book: lst-0032-book.cpp
  • Godbolt: lst-0032-godb.cpp, https://godbolt.org/z/YonbGKj8M
• Listing 16.25: You use the data type equipped with operators as usual.
  • Book: lst-0033-book.cpp
  • Godbolt: lst-0033-godb.cpp, https://godbolt.org/z/YonbGKj8M
• Listing 16.26: This data type demonstrates the Boolean operators.
  • Book: lst-0034-book.cpp
  • Godbolt: lst-0034-godb.cpp, https://godbolt.org/z/vjrr6d5TW
• Listing 16.27: The comparison categories contain constants for the return.
  • Book: lst-0036-book.cpp
  • Godbolt: lst-0036-godb.cpp, https://godbolt.org/z/KxWb4q8q9
• Listing 16.28: You can use this helper function to implement a simple ordered comparison.
  • Book: lst-0038-book.cpp
• Listing 16.29: A virtual method that is = 0 is called pure virtual or abstract.
  • Book: lst-0039-book.cpp
  • Godbolt: lst-0039-godb.cpp, https://godbolt.org/z/1zq4jfdYb
• Listing 16.30: With an “enum”, you define a type with its own value range.
  • Book: lst-0044-book.cpp
  • Godbolt: lst-0044-godb.cpp, https://godbolt.org/z/xhd7s1YhE
• GodboltId:f8on7bs1Y
  • Book: lst-0046-book.cpp
  • Godbolt: lst-0046-godb.cpp, https://godbolt.org/z/f8on7bs1Y
• Listing 17.31: In an “enum”, you can also specify the desired numerical values.
  • Book: lst-0047-book.cpp
  • Godbolt: lst-0047-godb.cpp, https://godbolt.org/z/Yjbzrrnob