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Say goodbye to redundant constructor boilerplate starting with Dart 3.12! Craig breaks down two massive developer-experience upgrades: primary constructors and private named parameters. Discover how private named initializing formals eliminate tedious parameters starting with underscores, and learn how primary constructors wipe out the need to repeat field names and types across your class bodies.
Resources:
Primary constructors →
Private named constructors →
Flutter skills →
Dart. dev →
Dart 3.12 blog →
Dart 3.13 blog →
Chapters:
0:00 - New Dart 3.12 features
0:27 - Privacy
1:58 - Private named parameters
2:25 - Primary constructors
4:13 - Note: It’s up to you!
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Products Mentioned: Flutter
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2026/09/17
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