C++: Using the Move Constructor & Move Assignment Operator

C++ 20    |    Expert
  • 11 videos | 1h 23m 7s
  • Includes Assessment
  • Earns a Badge
References are an important part of C++, and a little-known fact about references is that there are actually two types of references: l-value and r-value. In this course, explore those two reference types by learning how to use the syntax and semantics of r-value references to extend the lifespan of transient values. Then, implement the move assignment operator and move constructor, using r-value references as their input arguments, to reduce the number of unnecessary copies created in your C++ programs. Finally, work with Resource Acquisition Is Initialization (RAII) to use smart pointers as a way to bypass complex rules, such as the rule of three and the rule of five, allowing you to follow the simplest rule of all - the rule of 0.

WHAT YOU WILL LEARN

  • discover the key concepts covered in this course
    contrast l-values and r-values
    create l-value and r-value references using the & and && operators
    implement move constructors and move assignment operators
    illustrate how extraneous copies of objects can be created when not using r-value references
    recognize the efficiency improvements triggered by move constructors
  • define a move assignment operator
    outline the features of the move assignment operator
    outline how resource acquisition is initialization (RAII) results in simpler and less error-prone code
    list the benefits of RAII
    summarize the key concepts covered in this course

IN THIS COURSE

  • 2m 6s
  • 6m 54s
  • Locked
    3.  Using L-Value and R-Value References
    5m 24s
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    4.  Implementing the Rule of 5
    10m 37s
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    5.  Illustrating the Need for R-value References
    7m 10s
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    6.  Illustrating the Advantages of Move Constructors
    7m 33s
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    7.  Using Move Assignment Operators
    8m 29s
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    8.  Outlining Features of the Move Assignment Operator
    10m 58s
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    9.  The RAII Paradigm
    9m 36s
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    10.  Using RAII and the Rule of 0
    11m 32s
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    11.  Course Summary
    2m 48s

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