void function with return statement : function return « Function « C++ Tutorial

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C++ Tutorial » Function » function return

7.8.2.void function with return statement

#include <iostream> 

using namespace std; 

 

void power(int base, int exp); 

 

int main() 

{ 

  power(10, 2);

  power(10, -2); 

 

  return 0; 

} 

 



void power(int base, int exp) 

{ 

  int i; 

 

  if(exp < 0) return; /* Can't do negative exponents. */ 

 

  i = 1; 

 

  for( ; exp; exp--) 

     i = base * i; 

  cout << "The answer is: " << i; 

  return;

}

The answer is: 100

7.8.function return
	7.8.1.	Return void from a function
	7.8.2.	void function with return statement
	7.8.3.	Return a value from a function
	7.8.4.	Return a double value from a function
	7.8.5.	Return a pointer from a function
	7.8.6.	Multiple return statements in a function
	7.8.7.	Returning multiple values from a function using pointer
	7.8.8.	More than one returning value
	7.8.9.	Returning a reference
	7.8.10.	Return class instance from a function

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