packages: Turn 'cache!' into a single-value-return cache.
authorLudovic Courtès <ludo@gnu.org>
Sun, 25 Jun 2017 14:31:33 +0000 (16:31 +0200)
committerLudovic Courtès <ludo@gnu.org>
Wed, 19 Dec 2018 22:52:24 +0000 (23:52 +0100)
commit0b1be8fd57233c11e3b8ad71bd20af9349539cbd
tree3bcc1401f653997a2259e38dc5551000b5954be1
parentb334674fe5e99209e4f726e0d692ffa6bab9d6a1
packages: Turn 'cache!' into a single-value-return cache.

* guix/packages.scm (cache!): Assume THUNK returns a single value.
(cached): Likewise.
guix/packages.scm