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Unused type variable

Reports container, method, and type alias type variables that are unused within the project.

Container type variables are only checked if the container has exactly one declaration.

A quick fix is available to remove the unused type variable.

Example:

# Type variable 'A' of class 'Example' is unused class Example[A] end

After the quick fix:

class Example end

Inspection Details

By default bundled with:

Qodana for Ruby 2024.1, RubyMine 2024.1,

Can be installed with plugin:

Ruby, 241.SNAPSHOT

Last modified: 29 April 2024