prefer_null_aware_operators

Prefer using null aware operators.

This rule is available as of Dart 2.2.0.

Rule sets: recommended, flutter

This rule has a quick fix available.

PREFER using null aware operators instead of null checks in conditional expressions.

BAD:

v = a == null ? null : a.b;

GOOD:

v = a?.b;

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

linter:
  rules:
    - prefer_null_aware_operators