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key?

key?(key)

Instance Public methods

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

include? has_key? member?

Links:

https://github.com/rails/rails/blob/939f4eaed0b484aab13df3e3b2d1b20925fafa26/activesupport/lib/active_support/hash_with_indifferent_access.rb#L147

doc_ruby_on_rails

2015-06-20 00:00:00

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