On the input side of .then and .flatMap, no. On the output side of both .then and .flatMap, depending on what you mean by "branding", yes. If .flatMap's callback returns a non-promise the promise it already returned gets rejected. If .then's callback returns a non-promise, the promise it already returned accepts that non-promise.
On Thu, Aug 1, 2013 at 10:33 AM, Juan Ignacio Dopazo <[email protected]>wrote: > If then() deep flattens, flatMap() only flattens one level and promises > assimilate thenables, is branding really necessary? > > Juan > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > > -- Cheers, --MarkM
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