Learn Dart: First Step to Flutter/

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Defining a Function

Defining a Function

Let’s discuss functions and learn how to define our very own function in Dart.

We'll cover the following...

Writing your first function

In this chapter, we will cover user-defined functions and learn how to write our very own functions. Let’s get straight to it and look at an example of a very basic user-defined function.

Note: Ignore the Driver Code throughout this lesson.

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Dart
void newPrint(){
  print("Function Called");
}
// Driver Code
main() {
  newPrint();
}

The above function is not really of any use to us as all it does is print the statement Function Called. However, regardless of what a function does, it follows a general syntax.

Code explanation

  • void is telling us that the function does not return anything. Remember when we were discussing the contains method used by collections? contains returned a boolean value. If your function returns
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