public override Value Next()
{
using var outerPopper = new ObjectRegionPopper(objectRegion, "object-region");
outerPopper.Push();
using var innerPopper = new SharedRegionPopper(region, sharedRegion, "lambda-generator");
innerPopper.Push();
var next = block.Next();
more = !next.IsNil;
return(next);
}
public Value Next(int index)
{
using var popper = new SharedRegionPopper(region, this, "loop-range-next");
popper.Push();
if (index == 0)
{
region.SetParameter(variable, init.Evaluate());
}
if (conditionFunc())
{
var result = _yielding.Map(y => y.Evaluate()).DefaultTo(() => region[variable]);
region[variable] = increment.Evaluate();
return(result);
}
return(NilValue);
}