How can a function return more than one value in C++?
How can a function return more than one value in C++?
A C++ function can return only one value. However, you can return multiple values by wrapping them in a class or struct. Or you could use std::tuple , if that is available with your compiler. If you don’t know in advance how many values you’re going to return, a std::vector or a similar container is your best bet.
Can you return multiple values from a function?
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 a function have multiple return statements 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 you return an 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.
How do you return a statement in C++?
As soon as the statement is executed, the flow of the program stops immediately and returns the control from where it was called. The return statement may or may not return anything for a void function, but for a non-void function, a return value must be returned. Syntax: return[expression];
How many return statements can be included in a function C++?
A function can have any number of return statements. The following example uses an expression with a return statement to obtain the largest of two integers.
How many values can a function return in C?
one value
We all know that a function in C can return only one value.
How many values can be returned from a stored function?
How many values can be returned from a given stored function? Explanation: In MySQL, the stored function cannot return multiple values. Instead, multiple stored functions can be written and invoked from within a single statement however, they are different from stored procedures. 3.
How do you return an array of characters in C++?
“how to return char array in c++” Code Answer
- std::string myWord = “myWord”;
- char myArray[myWord. size()+1];//as 1 char space for null is also required.
- strcpy(myArray, myWord. c_str());