What is const correctness in C++?
Const correctness refers to the practice of using the const
keyword to indicate that a variable's value should not be modified. It helps prevent unintended changes to data.
Why is const correctness important?
It enhances code safety and readability, allowing developers to understand which variables can be modified and which cannot, reducing bugs.
Can you give me an example of const correctness?
Sure! For instance, if you have a function that takes a pointer to a constant integer, it ensures that the function cannot modify the integer value.
What happens if I don't use const correctly?
Not using const correctly can lead to accidental modifications of data, making your code less reliable and harder to maintain.
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