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codelab

Contents

• String interpolation
  • Code example
• Null-aware operators
  • Code example
• Conditional property access
  • Code example
• Collection literals
  • Code example
• Arrow syntax
  • Code example
• Cascades
  • Code example
• Getters and setters
  • Code example
• Optional positional parameters
  • Code example
• Optional named parameters
  • Code example
• Exceptions
  • Code example
• Using this in a constructor
  • Code example
• Initializer lists
  • Code example
• Named constructors
  • Code example
• Factory constructors
  • Code example
• Redirecting constructors
  • Code example
• Const constructors
  • Code example
• What next?

The Dart language is designed to be easy to learn for coders coming from other languages, but it has a few unique features. This codelab — which is based on a Dart