prefer_ null_ aware_ operators
Prefer using null
-aware operators.
Details
#
PREFER
using
null
-aware operators instead of
null
checks in conditional
expressions.
BAD:
v = a == null ? null : a.b;
GOOD:
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:
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:
linter:
rules:
prefer_null_aware_operators: true
Unless stated otherwise, the documentation on this site reflects Dart 3.9.2. Report an issue.