```ruby
class DartEditor < Cask
  url 'http://storage.googleapis.com/dart-archive/channels/stable/release/latest/editor/darteditor-macos-x64.zip'
  homepage 'https://www.dartlang.org/tools/editor/'
  version '1.1.3'
  sha256 '48cced0709aa9bddfa3d03365b0fc4b3b9b157799f244746dc127ea95052825e'
  link 'dart/DartEditor.app'
end
```

Use latest for dart editor
user
```ruby
class DartEditor < Cask
  url 'http://storage.googleapis.com/dart-archive/channels/stable/release/latest/editor/darteditor-macos-x64.zip'
  homepage 'https://www.dartlang.org/tools/editor/'
  version 'latest'
  no_checksum
  link 'dart/DartEditor.app'
end
```
assistant