Function template: In C++, a function template is referred as a “generic” function, which can work with different data types. While writing a function template, a programmer can specify the “type parameter” instead of using the actual data type. The compiler generates the code, when it encounters a function call to a function template. This code will handle the particular data type which is used in the function call. Example: For example consider the below function template used to find the cube of given value for any types: //template function template <class T> //function definition of "cube" T cube(T x) { //return the cube of the value return xxx ; }

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Chapter 16, Problem 34RQE

Program Plan Intro

Function template:

In C++, a function template is referred as a “generic” function, which can work with different data types.

While writing a function template, a programmer can specify the “type parameter” instead of using the actual data type.

The compiler generates the code, when it encounters a function call to a function template. This code will handle the particular data type which is used in the function call.

Example:

For example consider the below function template used to find the cube of given value for any types:

//template function

template <class T>

//function definition of "cube"

T cube(T x)

{

//return the cube of the value

return xxx ;

}

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