Dart 3 introduces sealed classes, pattern matching, and records

Dart 3 adds sealed classes for controlled inheritance, exhaustive pattern matching for type safety, and records for typed tuples.

Published 12sem1 source

≈ 20sSpeed

The fact

These features strengthen type safety and reduce runtime errors in Flutter applications.

Syntax aligns more with modern functional languages while remaining accessible.

Click the link to read an article on the topic:

Explore this topic

Auto-synthesis from 1 media source · identified on April 29, 2026