prefer_const_declarations
Prefer const over final for declarations.
This rule is available as of Dart 2.0.0.
Rule sets: flutter
This rule has a quick fix available.
Details
#PREFER using const
for const declarations.
Const declarations are more hot-reload friendly and allow to use const constructors if an instantiation references this declaration.
BAD:
dart
final o = const <int>[];
class A {
static final o = const <int>[];
}
GOOD:
dart
const o = <int>[];
class A {
static const o = <int>[];
}
Usage
#To enable the prefer_const_declarations
rule, add prefer_const_declarations
under linter > rules in your analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- prefer_const_declarations