-../lib/pipeline.nit:44,10--33: Warning: Expression is already a Iterator[Object] since it is a Iterator[E].
-../lib/pipeline.nit:61,10--33: Warning: Expression is already a Iterator[Object] since it is a Iterator[E].
-../lib/pipeline.nit:169,17--36: Warning: Expression is already a Object since it is a E.
-../lib/pipeline.nit:171,40--61: Warning: Expression is already a Object since it is a E.
+../lib/pipeline.nit:50,10--35: Warning: Expression is already a Collection[Object] since it is a Collection[E].
+../lib/pipeline.nit:67,10--35: Warning: Expression is already a Collection[Object] since it is a Collection[E].
+../lib/pipeline.nit:165,17--36: Warning: Expression is already a Object since it is a E.
+../lib/pipeline.nit:167,40--61: Warning: Expression is already a Object since it is a E.
1111223
123
12132
-123451211132
-102030405
+1007
+1020101010302
232
12
-345
-345
-45
-123
+9991000
+9991000
+12
3