listings-Chap20-README.md

Listings of Chap20.docx

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• GodboltId:4536hxvEK
  • Book: lst-0003-book.cpp
  • Godbolt: lst-0003-godb.cpp, https://godbolt.org/z/4536hxvEK
• Listing 20.1: Pointers can be assigned new addresses during their lifetime.
  • Book: lst-0004-book.cpp
  • Godbolt: lst-0004-godb.cpp, https://godbolt.org/z/7GEWYeoc9
• Listing 20.2: Returning by value can create a copy.
  • Book: lst-0007-book.cpp
• Listing 20.3: Returning as a pointer only copies the pointer, not the object.
  • Book: lst-0008-book.cpp
• Listing 21.4: In the following examples, I use Image as a class for which I want a pointer.
  • Book: lst-0010-book.cpp
  • Godbolt: lst-0010-godb.cpp, https://godbolt.org/z/ehhGPjabz
• Listing 20.4: unique_ptr as data field, return value, and local variable.
  • Book: lst-0011-book.cpp
  • Godbolt: lst-0011-godb.cpp, https://godbolt.org/z/aTTejrnWE
• Listing 20.5: A game board with various objects.
  • Book: lst-0013-book.cpp
  • Godbolt: lst-0013-godb.cpp, https://godbolt.org/z/4KP91z1bq
• Listing 20.6: When a raw pointer owns an object, the potential errors are often hard to detect.
  • Book: lst-0016-book.cpp
  • Godbolt: lst-0016-godb.cpp, https://godbolt.org/z/Y4sMdzde8
• Listing 20.7: “primes” contains pointers to another container.
  • Book: lst-0018-book.cpp
  • Godbolt: lst-0018-godb.cpp, https://godbolt.org/z/W4W61h4Kv
• Listing 20.8: Do not return addresses of function-local objects.
  • Book: lst-0021-book.cpp
• Listing 20.9: With raw pointers pointing to a C-array, you can perform arithmetic.
  • Book: lst-0026-book.cpp
  • Godbolt: lst-0026-godb.cpp, https://godbolt.org/z/a5b6qMo9h
• Listing 20.10: C-arrays decay to raw pointers as parameters.
  • Book: lst-0030-book.cpp
  • Godbolt: lst-0030-godb.cpp, https://godbolt.org/z/1qx16Gr61
• Listing 20.11: “unique_ptr” works with the dynamic C-array.
  • Book: lst-0034-book.cpp
  • Godbolt: lst-0034-godb.cpp, https://godbolt.org/z/h3q839x8r
• GodboltId:s6sss481E
  • Book: lst-0038-book.cpp
  • Godbolt: lst-0038-godb.cpp, https://godbolt.org/z/s6sss481E
• Listing 20.12: With “string”, you often don’t even notice that text literals are “const char[]”.
  • Book: lst-0039-book.cpp
  • Godbolt: lst-0039-godb.cpp, https://godbolt.org/z/oKsz7d55T
• Listing 20.13: Retrieve iterators with “begin” and “end”.
  • Book: lst-0040-book.cpp
  • Godbolt: lst-0040-godb.cpp, https://godbolt.org/z/4nqz4ed4W
• Listing 20.14: You can use raw pointers like iterators.
  • Book: lst-0041-book.cpp
  • Godbolt: lst-0041-godb.cpp, https://godbolt.org/z/zsqKz76cj
• Listing 20.15: Is it worth saving the release of memory?
  • Book: lst-0042-book.cpp
  • Godbolt: lst-0042-godb.cpp, https://godbolt.org/z/xE1TWx1ve