unnecessary_ new
Learn about the unnecessary_new linter rule.
Unnecessary new keyword.
Details
#AVOID new keyword to create instances.
BAD:
dart
class A { A(); } m(){ final a = new A(); } GOOD:
dart
class A { A(); } m(){ final a = A(); }
Enable
# To enable the unnecessary_new rule, add unnecessary_new under linter > rules in your analysis_options.yaml file:
analysis_options.yaml
yaml
linter: rules: - unnecessary_new If you're instead using the YAML map syntax to configure linter rules, add unnecessary_new: true under linter > rules:
analysis_options.yaml
yaml
linter: rules: unnecessary_new: true Was this page's content helpful?
Unless stated otherwise, the documentation on this site reflects Dart 3.10.3. Report an issue.