class RBS::Types::Interface

def initialize(name:, args:, location:)
  @name = name
  @args = args
  @location = location
end

def map_type(&block)
  if block
    Interface.new(
      name: name,
      args: args.map {|type| yield type },
      location: location
    )
  else
    enum_for(:map_type)
  end
end

def map_type_name(&block)
  Interface.new(
    name: yield(name, location, self),
    args: args.map {|type| type.map_type_name(&block) },
    location: location
  )
end

def sub(s)
  return self if s.empty?
  self.class.new(name: name,
                 args: args.map {|ty| ty.sub(s) },
                 location: location)
end

def to_json(state = _ = nil)
  { class: :interface, name: name, args: args, location: location }.to_json(state)
end