avoid_final_parameters
Avoid final
for parameter declarations.
This rule is available as of Dart 2.16.
Incompatible rules: prefer_final_parameters
Details
#AVOID declaring parameters as final
.
Declaring parameters as final
can lead to unnecessarily verbose code, especially when using the "parameter_assignments" rule.
BAD:
void goodParameter(final String label) { // LINT
print(label);
}
GOOD:
void badParameter(String label) { // OK
print(label);
}
BAD:
void goodExpression(final int value) => print(value); // LINT
GOOD:
void badExpression(int value) => print(value); // OK
BAD:
[1, 4, 6, 8].forEach((final value) => print(value + 2)); // LINT
GOOD:
[1, 4, 6, 8].forEach((value) => print(value + 2)); // OK
Usage
#To enable the avoid_final_parameters
rule, add avoid_final_parameters
under linter > rules in your analysis_options.yaml
file:
linter:
rules:
- avoid_final_parameters
Unless stated otherwise, the documentation on this site reflects Dart 3.5.3. Page last updated on 2024-07-03. View source or report an issue.