merge!(other_hash) Instance Public methods Alias for: update

merge(hash, &block) Instance Public methods This method has the same semantics of update, except it does not modify the receiver but rather returns a new hash with indifferent access with the result of the merge.

member?(key) Instance Public methods Alias for: 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?

include?(key) Instance Public methods Alias for: key?

has_key?(key) Instance Public methods Alias for: key?

fetch(key, *extras) Instance Public methods Same as Hash#fetch where the key passed as argument can be either a string or a symbol: counters = ActiveSupport::HashWithIndifferentAccess.new counters[:foo] = 1 counters.fetch('foo') # => 1 counters.fetch(:bar, 0) # => 0 counters.fetch(:bar) { |key| 0 } # => 0 counters.fetch(:zoo) # => KeyError: key not found: "zoo"

extractable_options?() Instance Public methods Returns true so that Array#extract_options! finds members of this class.

dup() Instance Public methods Returns an exact copy of the hash.

delete(key) Instance Public methods Removes the specified key from the hash.