prefer_null_aware_operators
Prefer using null
-aware operators.
Details
#PREFER using null
-aware operators instead of null
checks in conditional expressions.
BAD:
dart
v = a == null ? null : a.b;
GOOD:
dart
v = a?.b;
Enable
#To enable the prefer_null_aware_operators
rule, add prefer_null_aware_operators
under linter > rules in your analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- prefer_null_aware_operators
If you're instead using the YAML map syntax to configure linter rules, add prefer_null_aware_operators: true
under linter > rules:
analysis_options.yaml
yaml
linter:
rules:
prefer_null_aware_operators: true
Unless stated otherwise, the documentation on this site reflects Dart 3.6.0. Page last updated on 2025-01-27. View source or report an issue.