for (x
/*a*/
in //b
y) //c
;

for (x in /*a*/ //b
y); //c

for (x /*a*/ in y); //b //c

for (x
//a
in y);

for(x in
//a
y);

for (x
/*a*/
of //b
y) //c
;

for (x of /*a*/ //b
y); //c

for (x /*a*/ of y); //b //c

for (x
//a
of y);

for(x of
//a
y);