1 ../lib/pipeline.nit:44,10--33: Warning: Expression is already a Iterator[Object] since it is a Iterator[E].
2 ../lib/pipeline.nit:61,10--33: Warning: Expression is already a Iterator[Object] since it is a Iterator[E].
3 ../lib/pipeline.nit:169,17--36: Warning: Expression is already a Object since it is a E.
4 ../lib/pipeline.nit:171,40--61: Warning: Expression is already a Object since it is a E.