namespace KumiScript.Interpreter
{
    public class PrimitiveProcedure : Procedure
    {
        public delegate Expression PrimitiveDelegate(Expression args, Environment env);
        readonly PrimitiveDelegate _function;
        public PrimitiveProcedure(PrimitiveDelegate function)
        {
            _function = function;
        }

        public override Expression ApplyWithArgs(Expression args, Environment env)
        {
            return _function(args, env);
        }

        public override bool IsPrimitive()
        {
            return true;
        }

        public override string ToString()
        {
            return _function.ToString();
        }
    }
}