What Happens When You Call a Function Template

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The Answer is When you call a function template, the compiler determines the type of the actual argument passed to the function. The compiler substitutes the argument type for the generic type in the function template, creating a generated function that uses the appropriate type. The designation of the parameterized type is implicit; that is, it is determined not by naming the type, but by the compiler's ability to determine the argument type.The compiler generates code for as many different functions as it needs, depending on the function calls that are made.,

What Happens When You Call a Function Template

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