method

key?

rails latest stable - Class: ActiveSupport::HashWithIndifferentAccess

key?(key)

public

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

# File activesupport/lib/active_support/hash_with_indifferent_access.rb, line 151
    def key?(key)
      super(convert_key(key))
    end