using uCalcSoftware;

var uc = new uCalc();
// Define '##' with the same precedence as 'And'. 'And' binds tighter than 'Or'.
var and_prec = uc.ItemOf("And", uCalc.Properties(ItemIs.Infix)).Precedence;
var op_handle = uc.DefineOperator("{a} ## {b} As Boolean = a and b", and_prec);

Console.WriteLine("--- Initial Precedence (like 'And') ---");
// Evaluation is like: true or (false and false) -> true or false -> true
Console.WriteLine(uc.EvalStr("true or false ## 1 == 2"));

// Now, change the precedence to be lower than 'Or'.
var or_prec = uc.ItemOf("Or", uCalc.Properties(ItemIs.Infix)).Precedence;
op_handle.Precedence = or_prec - 10;

Console.WriteLine("");
Console.WriteLine("--- Changed Precedence (lower than 'Or') ---");
// Evaluation is like: (true or false) and false -> true and false -> false
Console.WriteLine(uc.EvalStr("true or false ## 1 == 2"));