public FormulaExpression(params IExpression[] expressions)
{
var result = new FormulaExpression();
foreach (var item in expressions)
{
result = result.Add(item);
}
this.Value = result.Value;
this.Terms = result.Terms;
this.Others = result.Others;
}
public FormulaExpression Add(FormulaExpression value)
{
var result = this;
result = result.Add(value.Value);
result = result.Add(value.Terms);
var other = result.Others.ToList();
other.AddRange(value.Others);
result = new FormulaExpression(result.Value, result.Terms, other.ToArray());
return(result);
}
public IExpression MemberSelect(Func <IExpression, IExpression> func)
{
var c = GetMembers().Select(a => func(a)).ToArray();
var f = new FormulaExpression(c);
var single = f.GetSingleOrDefault();
if (single == null)
{
return(f);
}
else
{
return(single);
}
}
