What Is Wrong with the Following Function Template (Other Than $\quad$

question 2

Essay

What is wrong with the following function template (Other than the fact that it really does almost nothing)?
template<class T>
int f( int & x )
{
$\quad$ return x;
}
int main()
{
$\quad$ int y = 3,z;
$\quad$ z = f(y);
}

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Definitions:

Abilities

Natural or acquired skills and capacities that allow individuals to perform tasks effectively.

Personality

The combination of characteristics or qualities that form an individual's distinctive character, influencing behavior, thoughts, and emotions.

Pretend

Act as if something is true while knowing it is not, often as a part of play or to deceive.

Appraisal

The process of evaluating the performance, value, or condition of something, typically for the purpose of making decisions based on that assessment.