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("<Predicate_{0}>",
builder.GetNextPredicateNum()), valueVar, predicate, PhpTypeCode.Boolean));
il.Emit(OpCodes.Newobj, LinqExterns.Func2_object_bool_ctor);
// LOAD Where[object](<source>, <delegate>);
il.Emit(OpCodes.Call, LinqExterns.Where);
//il.Emit(OpCodes.Call, Methods.Operators.Where);
return(base.Emit(builder));
}