Version:

instance method `key?`

Ruby on Rails 5.2.8.1

Since v4.2.9

Available in: v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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key?(attribute)

No documentation comment.

Parameters

attribute req

Alias for

ActiveModel::Errors#include?

Defined in activemodel/lib/active_model/errors.rb · Improve this page · Find usages on GitHub

Defined in ActiveModel::Errors