Item ArgumentReference::evaluateSingleton(const DynamicContext::Ptr &context) const { return context->expressionVariable(slot())->evaluateSingleton(context); }
Item::Iterator::Ptr ArgumentReference::evaluateSequence(const DynamicContext::Ptr &context) const { return context->expressionVariable(slot())->evaluateSequence(context); }
bool ExpressionVariableReference::evaluateEBV(const DynamicContext::Ptr &context) const { return context->expressionVariable(slot())->evaluateEBV(context); }