Class: ActionDispatch::Http::Headers

Inherits:

Hash

• Object
• Hash
• ActionDispatch::Http::Headers

show all

Extended by:

ActiveSupport::Memoizable

Defined in:

actionpack/lib/action_dispatch/http/headers.rb

Instance Method Summary (collapse)

• - (Object) [](header_name)
• - (Headers) initialize(*args) constructor

  A new instance of Headers.

Methods included from ActiveSupport::Memoizable

memoize, memoized_ivar_for

Methods inherited from Hash

#as_json, #assert_valid_keys, #deep_merge, #deep_merge!, #diff, #encode_json, #except, #except!, #extract!, #extractable_options?, from_xml, #reverse_merge, #reverse_merge!, #slice, #slice!, #stringify_keys, #stringify_keys!, #symbolize_keys, #symbolize_keys!, #to_param, #to_xml, #with_indifferent_access

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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 8

def initialize(*args)
  if args.size == 1 && args[0].is_a?(Hash)
    super()
    update(args[0])
  else
    super
  end
end

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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 17

def [](header_name)
  if include?(header_name)
    super
  else
    super(env_name(header_name))
  end
end