More C++ Idioms

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Preface[edit]

More C++ Idioms C++ has indeed become too "expert friendly" -- Bjarne Stroustrup, The Problem with Programming, Technology Review, Nov 2006.

Stroustrup's saying is true because experts are intimately familiar with the idioms in the language. With the increase in the idioms a programmer understands, the language becomes friendlier to him or her. The objective of this open content book is to present modern C++ idioms to programmers who have moderate level of familiarity with C++, and help elevate their knowledge so that C++ feels much friendlier to them. It is designed to be an exhaustive catalog of reusable idioms that expert C++ programmers often use while programming or designing using C++. This is an effort to capture their techniques and vocabulary into a single work. This book describes the idioms in a regular format: Name-Intent-Motivation-Solution-References, which is succinct and helps speed learning. By their nature, idioms tend to have appeared in the C++ community and in published work many times. An effort has been made to refer to the original source(s) where possible; if you find a reference incomplete or incorrect, please feel free to suggest or make improvements.

The world is invited to catalog reusable pieces of C++ knowledge (similar to the book on design patterns by GoF). The goal here is to first build an exhaustive catalog of modern C++ idioms and later evolve it into an idiom language, just like a pattern language. Finally, the contents of this book can be redistributed under the terms of the GNU Free Documentation License.

Aimed toward: Anyone with an intermediate level of knowledge in C++ and supported language paradigms

More Information[edit]

Authors | Praise | Guidelines for Authors | GNU Free Documentation License

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Table of Contents[edit]

Note: synonyms for each idiom are listed in parentheses.

  1. Address Of 75% developed  as of 9 Oct 2011
  2. Algebraic Hierarchy 75% developed  as of 12 June 2008
  3. Attach by Initialization 75% developed  as of 22 Oct 2011
  4. Attorney-Client 75% developed  as of 9 Oct 2011
  5. Barton-Nackman trick 75% developed  as of 21 Feb 2011
  6. Base-from-Member 75% developed  as of 6 August 2007
  7. Boost mutant 75% developed  as of 9 May 2010
  8. Calling Virtuals During Initialization 75% developed  as of 6 August 2007
  9. Capability Query 100% developed  as of 21 Feb 2011
  10. Checked delete 75% developed  as of 15 August 2007
  11. Clear-and-minimize 75% developed  as of 10 August 2007
  12. Coercion by Member Template 100% developed  as of 14 August 2007
  13. Computational Constructor 75% developed  as of 9 Oct 2011
  14. Concrete Data Type 75% developed  as of 17 March 2008
  15. Construct On First Use 75% developed  as of 6 August 2007
  16. Construction Tracker 75% developed  as of 6 August 2007
  17. Copy-and-swap 75% developed  as of 10 August 2007
  18. Copy-on-write 100% developed  as of 20 May 2009
  19. Intrusive reference counting (Counted Body) 75% developed  as of 16 November 2007
  20. Covariant Return Types TODO
  21. Curiously Recurring Template Pattern (CRTP) 75% developed  as of 6 August 2007
  22. Empty Base Optimization (EBO) 75% developed  as of 9 Oct 2011
  23. enable-if 75% developed  as of 21 Feb 2011
  24. Erase-Remove 75% developed  as of 17 November 2007
  25. Execute-Around Pointer 75% developed  as of 6 August 2007
  26. Exploding Return Type TODO
  27. Export Guard Macro TODO
  28. Expression-template 75% developed  as of 6 August 2007
  29. Fake Vtable TODO
  30. Fast Pimpl 0% developed  as of 6 August 2007 TODO
  31. Final Class 75% developed  as of 10 May 2010
  32. Free Function Allocators75% developed  as of 18 June 2014
  33. Function Object TODO
  34. Generic Container Idioms 75% developed  as of 22 November 2007
  35. Hierarchy Generation TODO
  36. Include Guard Macro 75% developed  as of 3 November 2007
  37. Inline Guard Macro 75% developed  as of 3 November 2007
  38. Inner Class 75% developed  as of 31 August 2007
  39. Int-To-Type 75% developed  as of 21 September 2008
  40. Interface Class 75% developed  as of 6 January 2008
  41. Iterator Pair 100% developed  as of 28 October 2007
  42. Making New Friends 75% developed  as of 5 January 2008
  43. Metafunction 75% developed  as of 15 September 2008
  44. Move Constructor 100% developed  as of 13 August 2007
  45. Multi-statement Macro 75% developed  as of 16 February 2008
  46. Member Detector 75% developed  as of 10 May 2010
  47. Named Constructor 75% developed  as of 28 September 2008
  48. Named External Argument TODO
  49. Named Loop (labeled loop) 75% developed  as of 9 May 2010
  50. Named Parameter 75% developed  as of 11 May 2010
  51. Named Template Parameters TODO
  52. Nifty Counter (Schwarz Counter) 75% developed  as of 6 August 2007
  53. Non-copyable Mixin 75% developed  as of 6 August 2007
  54. Non-member Non-friend Function 0% developed  as of 10 March 2008 TODO
  55. Non-throwing swap 75% developed  as of 9 January 2008
  56. Non-Virtual Interface (NVI, Public Overloaded Non-Virtuals Call Protected Non-Overloaded Virtuals) 75% developed  as of 12 June 2008
  57. nullptr 75% developed  as of 3 November 2007
  58. Object Generator 75% developed  as of 14 September 2008
  59. Object Template TODO
  60. Parameterized Base Class (Parameterized Inheritance) 75% developed  as of 6 August 2007
  61. Pimpl (Handle Body, Compilation Firewall, Cheshire Cat) 0% developed  as of 2nd March 2011
  62. Policy Clone (Metafunction wrapper) 100% developed  as of 14 August 2007
  63. Policy-based Design TODO
  64. Polymorphic Exception 75% developed  as of 28 September 2008
  65. Polymorphic Value Types 0% developed  as of 24 June 2012 TODO
  66. Recursive Type Composition TODO
  67. Requiring or Prohibiting Heap-based Objects
  68. Resource Acquisition Is Initialization (RAII, Execute-Around Object, Scoped Locking) 100% developed  as of 6 November 2007
  69. Resource Return 75% developed  as of 3 November 2007
  70. Return Type Resolver 75% developed  as of 10 May 2010
  71. Runtime Static Initialization Order Idioms 75% developed  as of 6 August 2007
  72. Safe bool 75% developed  as of 6 August 2007
  73. Scope Guard 100% developed  as of 14 August 2007
  74. Substitution Failure Is Not An Error (SFINAE) 75% developed  as of 12 May 2012
  75. Shortening Long Template Names TODO
  76. Shrink-to-fit 75% developed  as of 10 August 2007
  77. Small Object Optimization TODO
  78. Smart Pointer 75% developed  as of 17 November 2007
  79. Storage Class Tracker TODO
  80. Tag Dispatching 0% developed  as of 21 October 2007 TODO
  81. Temporary Base Class 75% developed  as of 6 August 2007
  82. Temporary Proxy 75% developed  as of 6 August 2007
  83. The result_of technique TODO
  84. Thin Template 75% developed  as of 6 August 2007
  85. Traits 0% developed  as of 21 October 2007 TODO
  86. Type Erasure 75% developed  as of 4 February 2015
  87. Type Generator (Templated Typedef) 75% developed  as of 14 September 2008
  88. Type Safe Enum 75% developed  as of 11 May 2010
  89. Type Selection 75% developed  as of 9 May 2010
  90. Virtual Constructor 75% developed  as of 17 March 2008
  91. Virtual Friend Function 75% developed  as of 10 May 2010

Advanced idioms[edit]

These are some more advanced C++ idioms.

  1. Envelope Letter 75% developed  as of 1 February 2008 TODO


Deprecated idioms[edit]

  1. Const auto_ptr 75% developed  as of 15 August 2007


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