Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++

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In C++, what must you not do with inline functions regarding static objects?

Declare them inside the inline function

Use them in inline functions

Define them in every file where the inline function is

Inline functions in C++ must be declared and defined in every file where they are used. This is because inline functions essentially replace function calls with the function's code, and having multiple definitions in different files can lead to conflicts. Option A is incorrect because declaring a static object inside an inline function would actually make it local to that function, defeating the purpose of a static object which is to retain its value even after the function is completed. Option B is incorrect because using static objects in inline functions is allowed, as long as they are declared and defined only once. Option D is incorrect because as mentioned, inline functions and static objects are allowed to be used together, as long as they are defined correctly.

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None of the above

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