public override PhpTypeCode Emit(LinqBuilder builder)
{
ILEmitter il = builder.IL;
// source expected on stack
// NEW Func[object,object](<linq context>, <&lambda>);
builder.EmitLoadLinqContext();
il.Emit(OpCodes.Ldftn, builder.EmitLambda(string.Format("<MultiSelector_{0}>",
builder.GetNextMultiSelectorNum()), valueVar, innerChain, PhpTypeCode.LinqSource));
il.Emit(OpCodes.Newobj, LinqExterns.Func2_object_IEnumerable_object_ctor);
// LOAD Select[object,object](<source>, <delegate>);
il.Emit(OpCodes.Call, LinqExterns.SelectMany);
return(base.Emit(builder));
}