N

• nil?

R

• ref

T

• to_s

• Singleton

实例公共方法

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

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

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