class Dentaku::AST::CaseConditional

def self.max_param_count
  2
end

def self.min_param_count
  2
end

def dependencies(context = {})
  @when.dependencies(context) + @then.dependencies(context)
end

def initialize(when_statement, then_statement)
  @when = when_statement
  unless @when.is_a?(AST::CaseWhen)
    raise ParseError.for(:node_invalid), 'Expected first argument to be a CaseWhen'
  end
  @then = then_statement
  unless @then.is_a?(AST::CaseThen)
    raise ParseError.for(:node_invalid), 'Expected second argument to be a CaseThen'
  end
end