Is a void function a procedure?

Is a void function a procedure?

A void method acts like a procedure. It does not produce an answer.

Can a function return void?

Return from void functions in C++ Void functions are “void” due to the fact that they are not supposed to return values. True, but not completely. We cannot return values but there is something we can surely return from void functions.

What does it mean for a function to return void?

Void functions are stand-alone statements In computer programming, when void is used as a function return type, it indicates that the function does not return a value.

What does a void return type actually return?

In lieu of a data type, void functions use the keyword “void.” A void function performs a task, and then control returns back to the caller–but, it does not return a value. You may or may not use the return statement, as there is no return value.

How does a void function return to the caller?

A void function performs a task, and then control returns back to the caller–but, it does notreturn a value. You may or may not use the return statement, as there is no return value. Even without the return statement, control will return to the caller automatically at the end of the function.

Can a void function return more than one value?

By definition, a value-returning function returns a single value; this value is returned via the return statement. Use void functions with reference parameters to return (modify) more than one value. Program demos void functions using value and reference parameters:

Is it possible to return nothing from a procedure?

Procedures CAN have a return statement. You can’t return a value, and it’s not required, but you can use RETURN in your procedure. – DCookie Apr 20 ’12 at 21:43

What does void return in PostgreSQL stored procedures?

The short story is that some “void” returns are probably empty cstrings (empty null-terminated strings), and others are null pointers. Here are the parts of the source that look relevant.