Deciding Between const and const References in Function Arguments
When developing C functions with arguments, it is crucial to use const judiciously to ensure data integrity. Typically, const is employed when an object remains immutable within the function scope or when a pointer's value should not be altered.
Additional Considerations for Const Usage
Const Reference vs. Pointer
Const references are superior to pointers in the following situations:
When Const is Essential
Const by Value
While const may appear in function declarations with value parameters, it has no practical effect. The function's implementation determines whether an internal copy is made or not.
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