目录

unnecessary_null_aware_assignments

目录

Avoid null in null-aware assignment.

This rule is available as of Dart 2.0.

Rule sets: recommended, flutter

This rule has a quick fix available.

Details

#

AVOID null in null-aware assignment.

Using null on the right-hand side of a null-aware assignment effectively makes the assignment redundant.

BAD:

dart
var x;
x ??= null;

GOOD:

dart
var x;
x ??= 1;

Usage

#

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

analysis_options.yaml
yaml
linter:
  rules:
    - unnecessary_null_aware_assignments