unnecessary_nullable_for_final_variable_declarations

Use a non-nullable type for a final variable initialized with a non-nullable value.

This rule is available as of Dart 2.10.

Rule sets: recommended, flutter

This rule has a quick fix available.

Use a non-nullable type for a final variable initialized with a non-nullable value.

BAD:

final int? i = 1;

GOOD:

final int i = 1;

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

linter:
  rules:
    - unnecessary_nullable_for_final_variable_declarations

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。