refactor(operator): operators should call source.subscribe #1570
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Description:
Passing the source into the operator lets the operator determine when the source subscription occurs (if at all). This will allow us to fix subscription ordering bugs like #1360.
Related issue (if exists):
#1360 is the only one that's filed as far as I know, but there are most likely others (
finally
comes to mind).cc: @Blesh