Contents

unnecessary_new

Contents

Unnecessary new keyword.

This rule is available as of Dart 2.0.

Rule sets: recommended, flutter

This rule has a quick fix available.

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();
}

Usage

#

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