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13 de jun. de 2020 · It's dangerous to declare a non-return statement to a non-void function (that's why the warning) , your function as int-return must have an integer output. So, add return total; or change your function into a void , knowing that total is an attribute, so it can be considered as a mutator.
11 de mar. de 2010 · 5 Answers. Sorted by: 17. You have something like: int function(void) { return; } Add a return value, or change the return type to void. The error message is very clear: warning : 'return' with no value, in function returning non-void. A return with no value is similar to what I showed.
- You have something like: int function(void) { return; } Add a return value, or change the return type to void. The error message is very clear...
- This warning also happens if you forget to add a return statement as the last statement: int func(){} If you don't specify the return type of a fu...
- This warning happens when you do this: int t() { return; } Because t() is declared to return an int , but the return statement isn't returning...
- while making a new class declare a class as void i.g. void sum(int a, int b) { //function }
- Whenever you are not declaring any function with void(null) return value, void examPle(){//Function block with no return type } , you should alway...
11 de nov. de 2022 · Change the function to not return anything (void). Check all your functions that are supposed to return a value and make sure that they do return a value.
A function that does not return a value is called a non-value returning function (or a void function). Void functions don’t need a return statement. A void function will automatically return to the caller at the end of the function. No return statement is required.
17 de set. de 2021 · 1 Answer. Sorted by: 1. The project appears to have an upstream ticket about the issue. The warning you cite is a warning not the error that's stopping compile. At least one of the errors in this is already ticketed on the repository. https://github.com/udacity/RoboND-Kinematics-Project/issues/24. I would suggest that you follow up over there.
23 de abr. de 2024 · From the error messages it appears that you have functions t0aht are expected to return a value but they do not. These would normally be reported as warnings rather than errors but note the message. cc1plus.exe: some warnings being treated as errors. Which Arduino board are you using and which version of the board files do you have installed ?
Omitting the return statement in a function which is has a return type that is not void is undefined behavior. int function() { . // Missing return statement. } . int main() { function(); //Undefined Behavior. } Most modern day compilers emit a warning at compile time for this kind of undefined behavior.
