(import (prefix traversal traversal:)) ... (traversal:for-each-vector myfunc (read-json data)) Error: unbound variable: traversal#for-each-vector Call history: http-client.scm:582: g947 [for-each-chunked-gw2-http] (string->number (header-value (quote x-page-total) (response-headers response))) [for-each-chunked-gw2-http] (header-value (quote x-page-total) (response-headers response)) [for-each-chunked-gw2-http] (response-headers response) header-parsers.scm:14: header-contents numbers.scm:1716: %string->compnum numbers.scm:1672: scan-real numbers.scm:1671: scan-ureal numbers.scm:1603: scan-digits+hashes numbers.scm:1549: scan-digits numbers.scm:1531: lp numbers.scm:1531: lp numbers.scm:1531: lp numbers.scm:1548: g1939 [for-each-chunked-gw2-http] (print "Downloaded " base-url " page " page " of " pages) [for-each-chunked-gw2-http] (traversal:for-each-vector myfunc (read-json data)) <--