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:
dart
get width {
return right - left;
}
BAD:
dart
bool ready(num time) {
return minTime == null || minTime <= time;
}
BAD:
dart
containsValue(String value) {
return getValues().contains(value);
}
GOOD:
dart
get width => right - left;
GOOD:
dart
bool ready(num time) => minTime == null || minTime <= time;
GOOD:
dart
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:
analysis_options.yaml
yaml
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:
analysis_options.yaml
yaml
linter:
rules:
prefer_expression_function_bodies: true
除非另有说明,文档之所提及适用于 Dart 3.7.0 版本,本页面最后更新时间: 2025-01-27。 查看文档源码 或者 报告页面问题。