unnecessary_ null_ aware_ assignments
Learn about the unnecessary_null_aware_assignments linter rule.
Avoid null in null-aware assignment.
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:
var x;
x ??= null;
GOOD:
var x;
x ??= 1;
Enable
#
To enable the
unnecessary_null_aware_assignments rule, add
unnecessary_null_aware_assignments
under
linter > rules in your
analysis_options.yaml
file:
linter:
rules:
- unnecessary_null_aware_assignments
If you're instead using the YAML map syntax to configure
linter rules, add
unnecessary_null_aware_assignments: true under
linter > rules:
linter:
rules:
unnecessary_null_aware_assignments: true
除非另有说明,文档之所提及适用于 Dart 3.12.2 版本报告页面问题.