Add result builders to MultiLogger
and MultiTracker
s 👷
#265
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Checklist
master
Motivation and Context
Some of our "multiplexer" instances for logging (
Log.MultiLogger
), analytics (Analytics.MultiTracker
) and performance metrics (PerformanceMetrics.MultiTracker
) require type erasure on the child elements to which they forward events, causing the setup to be cumbersome and not intuitive.By leveraging result builders we can make this a bit smoother to users by abstracting/automating the type erasure "dance". Furthermore, it unlocks control flow (e.g.
if/else
,for ... in
,if #available
) which allows more advanced setups to be defined directly in the builder.Description
Add result builders to facilitate instantiating certain "multiplexer" instances, most notably the ones that require type erasure:
Log.MultiLogger
(requires erasing toAnyMetadataLogDestination
)Analytics.MultiTracker
(requires erasing toAnyAnalyticsTracker
)PerformanceMetrics.MultiTracker
(doesn't require erasing)Add relevant UTs.