Methods
#
Classes and Modules
Constants
SET = Mimes.new
EXTENSION_LOOKUP = {}
LOOKUP = Hash.new { |h, k| h[k] = Type.new(k) unless k.blank? }
Class Public methods
[](type)

Source: show | on GitHub 

    # File actionpack/lib/action_dispatch/http/mime_type.rb, line 28
28:   def self.[](type)
29:     return type if type.is_a?(Type)
30:     Type.lookup_by_extension(type.to_s)
31:   end