Can a C++ function return an array?

Can a C++ function return an array?

Return Array from Functions in C++ C++ does not allow to return an entire array as an argument to a function. However, you can return a pointer to an array by specifying the array’s name without an index.

How can I return multiple arguments in C++?

We can return more than one values from a function by using the method called “call by address”, or “call by reference”. In the invoker function we will use two variables to store the results, and the function will take pointer type data. So we have to pass the address of the data.

How do you return an array from a function?

Returning array by passing an array which is to be returned as a parameter to the function.

1. #include
2. int *getarray(int *a)
3. {
4. printf(“Enter the elements in an array : “);
5. for(int i=0;i<5;i++)
6. {
7. scanf(“%d”, &a[i]);
8. }

How do you return a string array from a function in C++?

“function return string array c++” Code Answer

1. string* getNames() {
2. string* names = new string[3];
3. names[0] = “Simon”;
4. names[1] = “Peter”;
5. names[2] = “Dave”;
6. ​
7. return names;
8. }

How do I return to main function in C++?

The normal exit of program is represented by zero return value. If the code has errors, fault etc., it will be terminated by non-zero value. In C++ language, the main() function can be left without return value. By default, it will return zero.

Can you have multiple return statements in C?

We can return more than one values from a function by using the method called “call by address”, or “call by reference”. In the invoker function, we will use two variables to store the results, and the function will take pointer type data.

Can you have two return statements in a function C++?

You can have multiple return statements and it should not matter, if you are returning the same variable. However if you have multiple variables in your function and you return then differently depending on the code flow the compiler cannot perform such optimisation.

How do I return an array pointer in C++?

Return Pointer to Array in C++

1. Use int var[n] Notation to Pass the Array Argument to Function and Then Return in C++
2. Use int* var Notation to Pass the Array Argument to Function and Then Return in C++

How do I return from Main?

If you declare main or wmain as returning void, you cannot return an exit code to the parent process or operating system by using a return statement. To return an exit code when main or wmain is declared as void , you must use the exit function.

How to return array from a function in C++?

Return Array from Functions in C++. C++ does not allow to return an entire array as an argument to a function. However, you can return a pointer to an array by specifying the array’s name without an index. If you want to return a single-dimension array from a function, you would have to declare a function returning a pointer as in

How to return a single-dimension array from a function?

If you want to return a single-dimension array from a function, you would have to declare a function returning a pointer as in the following example − int * myFunction () { . . .

Can I pass a multidimensional array as a single argument?

In C can I pass a multidimensional array to a function as a single argument when I don’t know what the dimensions of the array are going to be? If by “single argument” you mean passing just the array without passing the array dimensions, no you can’t. At least not for true multidimensional arrays.

How do you return a pointer to an array?

However, you can return a pointer to an array by specifying the array’s name without an index. I’ve just begun with pointers and as far as I understand, a pointer variable is a variable which stores a memory address.