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方法
N
R
T
包含的模組

實例公開方法

nil?()

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 361
def nil?
  true
end

ref()

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 369
def ref; end

to_s()

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 365
def to_s
  ""
end