Class: RBS::Types::Union

Inherits:
Object
  • Object
show all
Defined in:
lib/rbs/types.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(types:, location:) ⇒ Union

Returns a new instance of Union.



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# File 'lib/rbs/types.rb', line 735

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

Instance Attribute Details

#location ⇒ Object (readonly)

Returns the value of attribute location.



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# File 'lib/rbs/types.rb', line 733

def location
  @location
end

#types ⇒ Object (readonly)

Returns the value of attribute types.



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# File 'lib/rbs/types.rb', line 732

def types
  @types
end

Instance Method Details

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



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# File 'lib/rbs/types.rb', line 740

def ==(other)
  other.is_a?(Union) && other.types == types
end

#each_type(&block) ⇒ Object 



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# File 'lib/rbs/types.rb', line 786

def each_type(&block)
  if block
    types.each(&block)
  else
    enum_for :each_type
  end
end

#free_variables(set = Set.new) ⇒ Object 



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# File 'lib/rbs/types.rb', line 750

def free_variables(set = Set.new)
  set.tap do
    types.each do |type|
      type.free_variables set
    end
  end
end

#has_classish_type? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbs/types.rb', line 813

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

#has_self_type? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbs/types.rb', line 809

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

#hash ⇒ Object 



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# File 'lib/rbs/types.rb', line 746

def hash
  self.class.hash ^ types.hash
end

#map_type(&block) ⇒ Object 



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# File 'lib/rbs/types.rb', line 794

def map_type(&block)
  if block
    Union.new(types: types.map(&block), location: location)
  else
    enum_for :map_type
  end
end

#map_type_name(&block) ⇒ Object 



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# File 'lib/rbs/types.rb', line 802

def map_type_name(&block)
  Union.new(
    types: types.map {|type| type.map_type_name(&block) },
    location: location
  )
end

#sub(s) ⇒ Object 



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# File 'lib/rbs/types.rb', line 762

def sub(s)
  return self if s.empty?

  self.class.new(types: types.map {|ty| ty.sub(s) },
                 location: location)
end

#to_json(state = _ = nil) ⇒ Object 



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# File 'lib/rbs/types.rb', line 758

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

#to_s(level = 0) ⇒ Object 



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# File 'lib/rbs/types.rb', line 769

def to_s(level = 0)
  strs = types.map do |ty|
    case ty
    when Intersection
      ty.to_s([1, level].max)
    else
      ty.to_s
    end
  end

  if level > 0
    "(#{strs.join(" | ")})"
  else
    strs.join(" | ")
  end
end

#with_nonreturn_void? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbs/types.rb', line 817

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