Version:

instance method `has_key?`

Ruby on Rails 4.0.13

Since v3.2.22.5

Available in: v3.2.22.5 v4.0.13 v4.1.16 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

Compare with:

has_key?(attribute)

aliases include?

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