Contents

unnecessary_null_in_if_null_operators

Contents

Avoid using null in ?? operators.

This rule is available as of Dart 2.0.

Rule sets: recommended, flutter

This rule has a quick fix available.

Details

#

AVOID using null as an operand in ?? operators.

Using null in an if null operator is redundant, regardless of which side null is used on.

BAD:

dart
var x = a ?? null;
var y = null ?? 1;

GOOD:

dart
var x = a ?? 1;

Usage

#

To enable the unnecessary_null_in_if_null_operators rule, add unnecessary_null_in_if_null_operators under linter > rules in your analysis_options.yaml file:

analysis_options.yaml
yaml
linter:
  rules:
    - unnecessary_null_in_if_null_operators