How do I get rid of error control reaches end of non-void function?

Another way to get rid of the warning is to add assert(false); at the end of the function, to clearly tell the compiler (and human reader) that you deliberately omitted the else case because you are sure it cannot happen.

What happens if you forget the return statement in a non-void function?

11 Answers. C99 and C++ standards don’t require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0 ) only in the main function.

Can C functions return void?

If a return value isn’t required, declare the function to have void return type. If a return type isn’t specified, the C compiler assumes a default return type of int . Many programmers use parentheses to enclose the expression argument of the return statement. However, C doesn’t require the parentheses.

What is non-void function?

Functions that return are great for when we need to go through a lot of steps to get a value that we want to use in our code somewhere. Calling a non-void function tells the computer to head over to the function definition, do everything, and come back with the result once it’s done.

How do I return a void?

Return from void functions in C++

1. A void function can do return. We can simply write return statement in a void fun().
2. A void fun() can return another void function.
3. A void() can return a void value. A void() cannot return a value that can be used.

What is void and non-void function in Python?

# Python function to find whether number is positive or negative or zero. As you know Function which returns the values are called Non-void functions in python also called fruitful functions in python and functions returns nothing are called void type functions in python or non-fruitful functions in Python.

How many values can AC return at a time?

one value
We all know that a function in C can return only one value.

When our function doesn’t need to return anything means what we will as parameter in function?

9. What should be passed in parameters when function does not require any parameters? Explanation: When we does not want to pass any argument to a function then we leave the parameters blank i.e. func() – function without any parameter. 10.

How do you stop a void function?

Use return; instead of return(0); to exit a void function.

When function does not return any value then function is declared as void True or false?

Explanation: True, A function cannot return more than one value at a time. because after returning a value the control is given back to calling function.

What is a void and non void function?

1. If your function has no reason to return something, it shouldn’t return anything, i.e., it should return void . There is no point in giving a function which doesn’t produce any result an artificial return value.

What are void and non void function explain with example?

Such functions which do not have a return statement in them are called void functions. Void functions are those that do not return anything. ”None” is a special type in Python, which is returned after a void function ends. kaypeeoh72z and 3 more users found this answer helpful. Thanks 2.