mgsnova/crisp

module Crisp
  module Nodes
    # The symbol node
    class SymbolLiteral < Primitive
      # return the value for the key in the env the symbol stays for
      def resolve(env)
        if !env.has_key?(text_value)
          raise Crisp::EnvironmentError, "#{text_value} is unbound"
        end

        env[text_value]
      end
    end
  end
end