public static object Map(CallSiteStorage <EachSite> /*!*/ each, [NotNull] BlockParam /*!*/ collector, object self)
{
RubyArray resultArray = new RubyArray();
object result = resultArray;
if (collector.Proc.Dispatcher.ParameterCount <= 1 && !collector.Proc.Dispatcher.HasUnsplatParameter && !collector.Proc.Dispatcher.HasProcParameter)
{
// optimize for a block with a single parameter:
Each(each, self, Proc.Create(each.Context, delegate(BlockParam /*!*/ selfBlock, object _, object item) {
object blockResult;
if (collector.Yield(item, out blockResult))
{
result = blockResult;
return(selfBlock.PropagateFlow(collector, blockResult));
}
resultArray.Add(blockResult);
return(null);
}));
}
else
{
// general case:
Each(each, self, Proc.Create(each.Context, 0, delegate(BlockParam /*!*/ selfBlock, object _, object[] __, RubyArray args) {
Debug.Assert(__.Length == 0);
object blockResult;
if (collector.YieldSplat(args, out blockResult))
{
result = blockResult;
return(selfBlock.PropagateFlow(collector, blockResult));
}
resultArray.Add(blockResult);
return(null);
}));
}
return(result);
}