public virtual void loadFunctions(Rete engine)
{
StringCompareFunction compare = new StringCompareFunction();
engine.declareFunction(compare);
funcs.Add(compare);
StringIndexFunction indx = new StringIndexFunction();
engine.declareFunction(indx);
funcs.Add(indx);
StringLengthFunction strlen = new StringLengthFunction();
engine.declareFunction(strlen);
funcs.Add(strlen);
StringLowerFunction lower = new StringLowerFunction();
engine.declareFunction(lower);
funcs.Add(lower);
StringReplaceFunction strrepl = new StringReplaceFunction();
engine.declareFunction(strrepl);
funcs.Add(strrepl);
StringUpperFunction upper = new StringUpperFunction();
engine.declareFunction(upper);
funcs.Add(upper);
SubStringFunction sub = new SubStringFunction();
engine.declareFunction(sub);
funcs.Add(sub);
StringTrimFunction trim = new StringTrimFunction();
engine.declareFunction(trim);
funcs.Add(trim);
}