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方法
B
T

實例公開方法

blank?()

false 為空白

false.blank? # => true

@return [true]

# File activesupport/lib/active_support/core_ext/object/blank.rb, line 71
def blank?
  true
end

to_param()

傳回 self

# File activesupport/lib/active_support/core_ext/object/to_query.rb, line 34
def to_param
  self
end