tree 081b36bdd201b9d3591ee5a48b9bff3064a515ac
parent 4689fa0d054ed4a96cbb610d3f4ddfb5f67082f1
author Brian Foley <bpfoley@google.com> 1471022159 +0100
committer Brian Foley <bpfoley@google.com> 1471262099 +0100

Simplify some inscrutable map/map/ifilter/zip code

This version traverses the results twice but is probably faster
because it generates fewer temporary results.

Signed-off-by: Brian Foley <bpfoley@google.com>
Reviewed-by: Viktor Bachraty <vbachraty@google.com>