instance method `key?`

Ruby on Rails 4.2.9

Since v2.2.3 Last seen in v4.2.9

Compare with:

key?(key)

Checks the hash for a key matching the argument passed in:

hash = ActiveSupport::HashWithIndifferentAccess.new
hash['key'] = 'value'
hash.key?(:key)  # => true
hash.key?('key') # => true

Parameters

Source

# File activesupport/lib/active_support/hash_with_indifferent_access.rb, line 149
    def key?(key)
      super(convert_key(key))
    end

Defined in activesupport/lib/active_support/hash_with_indifferent_access.rb line 149 · View on GitHub · Improve this page · Find usages on GitHub