New Dart Editor : Stakes and Opportunities for Developers

Since november 7, 2012, Dart Language fans , have the possibilities to experience new features .
 
Available via this link,www.dartlang.org/editor changes inclide :
  • New migration Clean Up - convert interface to abstract class with redirecting factory constructors.
  • New option to capture and send a screenshot during feedback (Windows and Linux only for now).
  • Performance optimizations for saving and analysis; saving and associated analysis is now 60% faster.
  • Rename refactoring improvements - link constructor names and rename closure parameters.
  • Better error messages and Quick Fixes for deprecated getter syntax and missing “part of” directive.
  • Better type inference - use union of declared and checked types; search members in inferred type subtypes.
  • Semantic highlighting improvements.
  • Pub install is now run automatically on changes to pubspec
  • Files View SDK node now shows just the libraries and no packages.
  • Fix to remove stale contents from the index and analysis cache.
  • Fix to make the Eclipse Dart nature play nice with other non-Dart natures (such as JS, Java, C, etc).
  • Fix for a crashing bug in Dartium.
  • Fix for an issue running the Dart VM on Windows.
Breaking Change List:

  • Some HTML constructors changed to named parameters
  • NotImplementedException is UnimplementedError
  • IndexOfOutRangeException is now RangeError
  • 'part of' is now required, breaking change coming
  • noSuchMethod now follows spec.
  • Unittest expect() uses new argument syntax

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