public virtual void VisitPair(PairInstruction x)
{
x.Key.VisitMe(this);
x.Value.VisitMe(this);
VisitInstruction(x);
}
public override void VisitPair(PairInstruction x)
{
var key = getValue(x.Key);
var value = getValue(x.Value);
var argTypes = new[] { key.Type, value.Type };
var keyPairType = typeof(Tuple <,>).MakeGenericType(argTypes);
var keyPairCtor = keyPairType.GetConstructor(argTypes);
emit(Expression.New(keyPairCtor, key, value));
}