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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Services can now have a default value
Date: Sun, 16 Apr 2017 00:51:30 +0200
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To: guix-devel <guix-devel@gnu.org>

Hello Guix!

With commit 1bb895eabf74a1e571887eb1521915e668a5c28d, service types can
declare a default value for their instances.  After this one can write:

  (service openssh-service-type)

instead of:

  (service openssh-service-type (openssh-configuration))

A bit of typing saved!

Note that this changes breaks the ABI for services, so make sure to run
=E2=80=9Cmake clean-go && make=E2=80=9D.

Feedback welcome!

Ludo=E2=80=99.