void MergeOptions(OptionsList list)
{
if (list.Item1 != null)
{
if (options == null)
{
options = list.Item1;
}
else
{
Throw("WithMergeOptions");
}
}
if (list.Item2 != null)
{
if (mode == null)
{
mode = list.Item2;
}
else
{
Throw("WithExecutionMode");
}
}
if (list.Item3 != null)
{
if (token == null)
{
token = list.Item3;
}
else
{
Throw("WithCancellationToken");
}
}
if (list.Item4 != -1)
{
if (degreeOfParallelism == null)
{
degreeOfParallelism = list.Item4;
}
else
{
Throw("WithDegreeOfParallelism");
}
}
// That one is treated specially
if (list.Item5 != null)
{
implementerToken = implementerToken.Chain(list.Item5);
}
}
