prefer_const_literals_to_create_immutables
Prefer const literals as parameters of constructors on @immutable classes.
Details
#PREFER using const
for instantiating list, map and set literals used as
parameters in immutable class instantiations.
BAD:
dart
@immutable
class A {
A(this.v);
final v;
}
A a1 = new A([1]);
A a2 = new A({});
GOOD:
dart
A a1 = new A(const [1]);
A a2 = new A(const {});
Enable
#To enable the prefer_const_literals_to_create_immutables
rule,
add prefer_const_literals_to_create_immutables
under linter > rules in your
analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- prefer_const_literals_to_create_immutables
If you're instead using the YAML map syntax to configure linter rules,
add prefer_const_literals_to_create_immutables: true
under linter > rules:
analysis_options.yaml
yaml
linter:
rules:
prefer_const_literals_to_create_immutables: true
除非另有说明,文档之所提及适用于 Dart 3.7.2 版本,本页面最后更新时间: 2025-03-07。 查看文档源码 或者 报告页面问题。