prefer_const_constructors_in_immutables
Prefer declaring const
constructors on @immutable
classes.
Details
#PREFER declaring const
constructors on @immutable
classes.
If a class is immutable, it is usually a good idea to make its constructor a
const
constructor.
BAD:
dart
@immutable
class A {
final a;
A(this.a);
}
GOOD:
dart
@immutable
class A {
final a;
const A(this.a);
}
Enable
#To enable the prefer_const_constructors_in_immutables
rule,
add prefer_const_constructors_in_immutables
under linter > rules in your
analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- prefer_const_constructors_in_immutables
If you're instead using the YAML map syntax to configure linter rules,
add prefer_const_constructors_in_immutables: true
under linter > rules:
analysis_options.yaml
yaml
linter:
rules:
prefer_const_constructors_in_immutables: true