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Started by David HarrisonOct 5, 2021

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An Rx observable that would act as ReplaySubject but only for the 1st subscriber?

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What's an elegant way of composing an Rx observable which would resemble ReplaySubject, but only emit the accumulated sequence once and for the first subscriber only (when that subscriber is connected)? After the 1st subscription, it should act just as a regular Subject.

This for a .NET project, but I'd equally appreciate JavaScript/RxJS answers.

I did google for potential solutions, and I'm about to roll out my own, similar to how I approached DistinctSubject, eventually.

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