TrueClass Ruby on Rails 5.1.2 Class TrueClass < Object activesupport/lib/active_support/core_ext/object/blank.rb activesupport/lib/active_support/core_ext/object/duplicable.rb activesupport/lib/active_support/core_ext/object/json.rb activesupport/lib/active_support/core_ext/object/to_query.rb Methods B blank? D duplicable? T to_param Instance Public methods blank?() Link true is not blank: true.blank? # => false @return [false] Source: show | on GitHub # File activesupport/lib/active_support/core_ext/object/blank.rb, line 76 def blank? false end duplicable?() Link true is not duplicable: true.duplicable? # => false true.dup # => TypeError: can't dup TrueClass Source: show | on GitHub # File activesupport/lib/active_support/core_ext/object/duplicable.rb, line 68 def duplicable? false end to_param() Link Returns self. Source: show | on GitHub # File activesupport/lib/active_support/core_ext/object/to_query.rb, line 25 def to_param self end