Dart #15 Basics – Functions 02 All Types of Functions & Parameters (Positional, Named, Arrow)
🔧 Master Functions in Dart – Part 2!
In this episode, we explore all types of function definitions and parameters used in Dart. Learn how to pass data the right way using different styles and when to use each.
🔍 Topics Covered:
Regular functions (with return and void)
Positional parameters (int x, int y)
Optional positional parameters [int? x, int? y]
Named parameters {int? x, int? y}
Required named parameters {required int x, required int y}
Default values for optional & named parameters
Arrow functions
Anonymous functions (like map, forEach)
Function return values
Calling all types of functions
🧪 Live Examples Include:
Creating functions with different parameter types
Returning values
Calling functions with/without parameters
Real-world use cases like adding numbers, displaying user info, and formatting data
Using arrow function syntax with collections like List.map()
🧰 Build confidence to define cleaner, more flexible Dart code — especially useful for Flutter UI callbacks, logic handling, and state management!