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Class: RBS::Types::Optional

Relationships & Source Files
Inherits: Object
Defined in: lib/rbs/types.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(type:, location:) ⇒ Optional

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# File 'lib/rbs/types.rb', line 630

def initialize(type:, location:)
  @type = type
  @location = location
end

Instance Attribute Details

#has_classish_type?Boolean (readonly)

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# File 'lib/rbs/types.rb', line 701

def has_classish_type?
  each_type.any? {|type| type.has_classish_type? }
end

#has_self_type?Boolean (readonly)

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# File 'lib/rbs/types.rb', line 697

def has_self_type?
  each_type.any? {|type| type.has_self_type? }
end

#location (readonly)

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# File 'lib/rbs/types.rb', line 628

attr_reader :location

#type (readonly)

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# File 'lib/rbs/types.rb', line 627

attr_reader :type

#with_nonreturn_void?Boolean (readonly)

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# File 'lib/rbs/types.rb', line 705

def with_nonreturn_void?
  each_type.any? {|type| type.with_nonreturn_void? }
end

Instance Method Details

#==(other) Also known as: #eql?

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# File 'lib/rbs/types.rb', line 635

def ==(other)
  other.is_a?(Optional) && other.type == type
end

#each_type

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# File 'lib/rbs/types.rb', line 671

def each_type
  if block_given?
    yield type
  else
    enum_for :each_type
  end
end

#eql?(other)

Alias for #==.

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# File 'lib/rbs/types.rb', line 639

alias eql? ==

#free_variables(set = Set.new)

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# File 'lib/rbs/types.rb', line 645

def free_variables(set = Set.new)
  type.free_variables(set)
end

#hash

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# File 'lib/rbs/types.rb', line 641

def hash
  self.class.hash ^ type.hash
end

#map_type(&block)

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# File 'lib/rbs/types.rb', line 686

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 'lib/rbs/types.rb', line 679

def map_type_name(&block)
  Optional.new(
    type: type.map_type_name(&block),
    location: location
  )
end

#sub(s)

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# File 'lib/rbs/types.rb', line 653

def sub(s)
  self.class.new(type: type.sub(s), location: location)
end

#to_json(state = _ = nil)

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# File 'lib/rbs/types.rb', line 649

def to_json(state = _ = nil)
  { class: :optional, type: type, location: location }.to_json(state)
end

#to_s(level = 0)

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# File 'lib/rbs/types.rb', line 657

def to_s(level = 0)
  case t = type
  when RBS::Types::Literal
    case t.literal
    when Symbol
      return "#{type.to_s(1)} ?"
    end
  when RBS::Types::Proc
    return "(#{type.to_s(1)})?"
  end

  "#{type.to_s(1)}?"
end