Function Return in Dart

In Dart, you can return a value from a method or function using the return keyword. The syntax for a method or function that returns a value is as follows:

return_type function_name(arguments) {
  // function body
  // return value;
}

Here, return_type is the data type of the value being returned, function_name is the name of the method or function, and arguments are the parameters that the method or function takes.

For example, consider the following function that calculates the sum of two integers and returns the result:

int calculateSum(int x, int y) {
  int sum = x + y;
  return sum;
}

In this example, int is the return type of the method calculateSum. The method takes two arguments x and y, and calculates their sum and returns it using the return keyword.

To call this method, you can do the following:

void main() {
  int result = calculateSum(5, 7);
  print(result);
}

In this example, 5 and 7 are passed as arguments to the calculateSum method, and the result of the method (i.e., the sum of 5 and 7) is stored in the result variable. Finally, the value of result is printed using the print statement.