Change in ovirt-engine-sdk-ruby[sdk_4.0]: Add "dig" method

[juan.hernandez at redhat.com]

Juan Hernandez has submitted this change and it was merged.

Change subject: Add "dig" method
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Add "dig" method

This patch adds to the types of the SDK a "dig" method similar to the
"dig" method introduced in Ruby 2.3 for hashes. For example, to find the
identifier of the first disk attached to the virtual machine referenced
from an event:

  event = ...
  disk_id = event.dig(:vm, :disk_attachments, 0, :disk, :id)

Change-Id: Ied3c1e2b661f2eba1aa086232751d8c9e824538f
Signed-off-by: Juan Hernandez <juan.hernandez at redhat.com>
(cherry picked from commit b2be27338cfb531a36e18b12293dd527da059772)
---
M sdk/lib/ovirtsdk4/type.rb
A sdk/spec/type_spec.rb
2 files changed, 158 insertions(+), 0 deletions(-)

Approvals:
  Juan Hernandez: Verified; Looks good to me, approved
  Jenkins CI: Passed CI tests



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Gerrit-MessageType: merged
Gerrit-Change-Id: Ied3c1e2b661f2eba1aa086232751d8c9e824538f
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-engine-sdk-ruby
Gerrit-Branch: sdk_4.0
Gerrit-Owner: Juan Hernandez <juan.hernandez at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Juan Hernandez <juan.hernandez at redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation at ovirt.org>