public virtual bool LineStats(OMetaStream <char> inputStream, out OMetaList <HostExpression> result, out OMetaStream <char> modifiedStream) { OMetaList <HostExpression> adds = null; OMetaList <HostExpression> subs = null; modifiedStream = inputStream; if (!MetaRules.Apply( delegate(OMetaStream <char> inputStream2, out OMetaList <HostExpression> result2, out OMetaStream <char> modifiedStream2) { modifiedStream2 = inputStream2; if (!MetaRules.Apply(Number, modifiedStream2, out result2, out modifiedStream2)) { return(MetaRules.Fail(out result2, out modifiedStream2)); } adds = result2; if (!MetaRules.ApplyWithArgs(Exactly, modifiedStream2, out result2, out modifiedStream2, ("\t").AsHostExpressionList())) { return(MetaRules.Fail(out result2, out modifiedStream2)); } if (!MetaRules.Apply(Number, modifiedStream2, out result2, out modifiedStream2)) { return(MetaRules.Fail(out result2, out modifiedStream2)); } subs = result2; result2 = (Sugar.Cons(adds, subs)).AsHostExpressionList(); return(MetaRules.Success()); }, modifiedStream, out result, out modifiedStream)) { return(MetaRules.Fail(out result, out modifiedStream)); } return(MetaRules.Success()); }