public override Transformation ShiftBehind(BlockTransformProvider provider)
{
var other = provider as BlockProvider;
var lineSource = _source;
if (lineSource != other._source)
{
throw new NotSupportedException("Cannot shift between sources");
}
return(new SourceTransformation((view, source) =>
{
source.ShiftBehind(view, _line, other._line);
}, lineSource));
}
public override Transformation ShiftBefore(BlockTransformProvider provider)
{
throw new NotImplementedException();
}
