/usr/lib/help/intersection is in scheme9 2013.11.26-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | S9 LIB (intersection list ...) ==> list
Compute the intersection of a number of sets.
(intersection '(v w x) '(w x y) '(x y z)) ==> (x)
|