Functions like this are called void, and they return None, Python’s special object for “nothing”. Here’s an example of a void function: >>> def sayhello(who): print ‘Hello,’, who + ‘!’ print ‘What a lovely day.
Read moreWhat is void function in flutter?
In order to write any Dart program, be it a script or a Flutter app, you must define a function called main . void main() { print(‘Hello, Dart’); } This function tells Dart where the program starts , and it must be in the file that is considered the “entry point” for you program.
Read moreHow do you pass a void function as a parameter in flutter?
Dart: How to pass a function into a function (using a Function as a method parameter)
Read moreWhat does void do in a function?
When used as a function return type, the void keyword specifies that the function doesn’t return a value . When used for a function’s parameter list, void specifies that the function takes no parameters.
Read moreWhat is difference between main and void Main?
The void main() indicates that the main() function will not return any value, but the int main() indicates that the main() can return integer type data . When our program is simple, and it is not going to terminate before reaching the last line of the code, or the code is error free, then we can use the void main().
Read moreWhat does void mean in Dart?
In a large variety of languages void as return type is used to indicate that a function doesn’t return anything . Dart allows returning null in functions with void return type but it also allow using return; without specifying any value.
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