class RBS::Types::Optional
Attributes
              location[R]
            
            
              type[R]
            
            Public Class Methods
                              new(type:, location:)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 521 def initialize(type:, location:) @type = type @location = location end
Public Instance Methods
                              ==(other)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 526 def ==(other) other.is_a?(Optional) && other.type == type end
                              Also aliased as: eql?
                            
                          
                              each_type() { |type| ... }
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 560 def each_type if block_given? yield type else enum_for :each_type end end
                              free_variables(set = Set.new)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 536 def free_variables(set = Set.new) type.free_variables(set) end
                              hash()
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 532 def hash self.class.hash ^ type.hash end
                              map_type() { |type| ... }
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 575 def map_type(&block) if block Optional.new( type: yield(type), location: location ) else enum_for :map_type end end
                              map_type_name(&block)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 568 def map_type_name(&block) Optional.new( type: type.map_type_name(&block), location: location ) end
                              sub(s)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 544 def sub(s) self.class.new(type: type.sub(s), location: location) end
                              to_json(state = _ = nil)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 540 def to_json(state = _ = nil) { class: :optional, type: type, location: location }.to_json(state) end
                              to_s(level = 0)
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                            # File rbs-2.7.0/lib/rbs/types.rb, line 548 def to_s(level = 0) case t = type when RBS::Types::Literal case t.literal when Symbol return "#{type.to_s(1)} ?" end end "#{type.to_s(1)}?" end