Flutter Dart Create Call Fat Arrow One Line Function Example Tutorial

In flutter basically we would use the normal function syntax where every code we want to execute in function in function body. But it would make the function bigger in size so to make functions smaller in size and easier to update we would use Fat Arrow function declaration method. Using the Fat Arrow we can declare the function in one line without declaring the function body. This is used to make the function in-line in dart flutter. So in this tutorial we would Flutter Dart Create Call Fat Arrow One Line Function Example Tutorial.

Contents in this project Flutter Dart Create Call Fat Arrow One Line Function Example Tutorial:

1. Import material.dart package in your app’s main.dart file.

2. Create void main runApp() method and here we would call our main MyApp class.

3. Creating our main MyApp extends StatelessWidget. This is our main Root View class.

4. Create a function named as shortFunction(). In this function we would use the Fat Arrow method to explain function body and pass single Printing statement using Fat Arrow.

Note: – We cannot use Curly Brackets { } with Fat Arrow method so we must declare all the executable code in single line.

5. Creating Widget Build area and here we would make a Raised Button widget and call the above declared function.

6. Complete source code for main.dart file:

Screenshots:

Flutter Dart Create Call Fat Arrow One Line Function Example Tutorial Flutter Dart Create Call Fat Arrow One Line Function Example Tutorial

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