prefer_ expression_ function_ bodies
Use => for short members whose body is a single return statement.
Details
#CONSIDER using => for short members whose body is a single return statement.
BAD:
get width {
return right - left;
}
BAD:
bool ready(num time) {
return minTime == null || minTime <= time;
}
BAD:
containsValue(String value) {
return getValues().contains(value);
}
GOOD:
get width => right - left;
GOOD:
bool ready(num time) => minTime == null || minTime <= time;
GOOD:
containsValue(String value) => getValues().contains(value);
Enable
#
To enable the
prefer_expression_function_bodies
rule, add
prefer_expression_function_bodies
under
linter > rules
in your
analysis_options.yaml
file:
linter:
rules:
- prefer_expression_function_bodies
If you're instead using the YAML map syntax to configure linter rules,
add
prefer_expression_function_bodies: true
under
linter > rules:
linter:
rules:
prefer_expression_function_bodies: true
Unless stated otherwise, the documentation on this site reflects Dart 3.9.2. Report an issue.