ref: 0556b63c0c444d2d77b270c7d51beb7e94f0d30a dir: /lib/iter/bld.sub/
lib iter = chunk.myr enum.myr perm.myr ref.myr reverse.myr zip.myr lib ../sys:sys lib ../std:std ;; testdeps = ../testr:testr ../sys:sys ../std:std ;;