public static double Eval(string expression)
{
var tokens = Lexer.GetTokens(expression);
var value = RawParser.ParseExpression <double>(tokens, eval_operator, eval_operand);
return(value);
}
public static Node Parse(string expr)
{
var tokens = Lexer.GetTokens(expr);
var root = RawParser.ParseExpression <Node>(tokens, eval_operator, eval_operand);
return(root);
}