[metrics-bugs] #28114 [Metrics/Library]: Improve getter names for boolean fields in metrics-lib

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#28114: Improve getter names for boolean fields in metrics-lib
-----------------------------+------------------------------
 Reporter:  efgyirfe784      |          Owner:  metrics-team
     Type:  enhancement      |         Status:  new
 Priority:  Medium           |      Milestone:
Component:  Metrics/Library  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Comment (by efgyirfe784):

 Good point about the keywords. Where can I find dir-spec.txt?

 I do like the flow of dropping the getters as the client code sounds
 natural:

 {{{
    if (o.usesEnhancedDnsLogic()) {}
    if (o.cachesExtraInfo()) {}
    if (o.allowSingleHopExits()) {}
    if (o.tunnelledDirServer()) {}
 }}}

 This could become confusing if setters are ever created in the future, but
 I'm guessing that's not too likely.

 Keeping a simple rule like "prefix any keyword with 'get' and that's the
 method name to retrieve the keyword value" is probably more important than
 using more meaningful English-sounding method names or even more natural
 sounding client code, since it makes library users' lives easier. If
 determining the method to retrieve a keyword now depends on the type being
 returned, things become more complicated for library users.

 It looks like some Descriptors already use an "is" prefix for boolean
 return types though:
 {{{
    RelayNetworkStatusVote.isSharedRandParticipate()
    ServerDescriptor.isHibernating()
    ServerDescriptor.isHiddenServiceDir()
 }}}

 (some non-Descriptors also use "is" prefix for boolean return types)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28114#comment:7>
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