[tor-bugs] #22279 [Metrics/metrics-lib]: simplify and avoid repetition in ParserHelper methods

[Tor Bug Tracker & Wiki]

#22279: simplify and avoid repetition in ParserHelper methods
---------------------------------+-----------------------------------
 Reporter:  iwakeh               |          Owner:  karsten
     Type:  enhancement          |         Status:  needs_review
 Priority:  Medium               |      Milestone:  metrics-lib 1.8.0
Component:  Metrics/metrics-lib  |        Version:
 Severity:  Normal               |     Resolution:
 Keywords:                       |  Actual Points:
Parent ID:                       |         Points:
 Reviewer:                       |        Sponsor:
---------------------------------+-----------------------------------

Comment (by iwakeh):

 I'm reviewing and changing this and would prefer to base all that on the
 changes in #19607.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22279#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online