Notes about const in C++

This article contains some note about using const in c++;

Objective of using const

The main objective of using const is to:

Prevent changes to the data or Make it Read only

More Detail:

  • Prevent the caller change the values of a string in my class;
  • Prevent the caller change a constant value such as Pi, MaxOfPlayer, …
  • Better ownership of a piece of data, it is good to controlled the data by one source;

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