avoid_unused_constructor_parameters

Avoid defining unused parameters in constructors.

This rule is available as of Dart 2.0.

This rule has a quick fix available.

AVOID defining unused parameters in constructors.

BAD:

class BadOne {
  BadOne(int unusedParameter, [String unusedPositional]);
}

class BadTwo {
  int c;

  BadTwo(int a, int b, int x) {
    c = a + b;
  }
}

To enable the avoid_unused_constructor_parameters rule, add avoid_unused_constructor_parameters under linter > rules in your analysis_options.yaml file:

linter:
  rules:
    - avoid_unused_constructor_parameters

除非另有说明，文档之所提及适用于 Dart 3.5.4 版本，本页面最后更新时间: 2024-08-02。 查看文档源码 或者 报告页面问题。