Type:
Class

ActiveSupport::OrderedHash implements a hash that preserves insertion order.

oh = ActiveSupport::OrderedHash.new
oh[:a] = 1
oh[:b] = 2
oh.keys # => [:a, :b], this order is guaranteed

Also, maps the omap feature for YAML files (See yaml.org/type/omap.html) to support ordered items when loading from yaml.

ActiveSupport::OrderedHash is namespaced to prevent conflicts with other implementations.

select

select(*args, &block) Instance Public methods

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nested_under_indifferent_access

nested_under_indifferent_access() Instance Public methods

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to_yaml_type

to_yaml_type() Instance Public methods

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encode_with

encode_with(coder) Instance Public methods

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extractable_options?

extractable_options?() Instance Public methods Returns true to make sure that

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reject

reject(*args, &block) Instance Public methods

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