avoid_shadowing_type_parameters

Avoid shadowing type parameters.

AVOID shadowing type parameters.

BAD:

class A<T> {
  void fn<T>() {}
}

GOOD:

class A<T> {
  void fn<U>() {}
}

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

linter:
  rules:
    - avoid_shadowing_type_parameters

If you're instead using the YAML map syntax to configure linter rules, add avoid_shadowing_type_parameters: true under linter > rules:

linter:
  rules:
    avoid_shadowing_type_parameters: true

Unless stated otherwise, the documentation on this site reflects Dart 3.6.0. Page last updated on 2025-01-27. View source or report an issue.