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Multimap implementations don't have a method to create from java.util.Map #1767

asarkar opened this Issue Dec 19, 2016 · 2 comments


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asarkar commented Dec 19, 2016

While HashMap has an ofAll method, HashMultimap.Builder doesn't. Also, the former has static creational of methods while the later doesn't and creating a builder first is required. I think I understand why though, the value for a multimap can be a general sequence or a set, but I'm not sure the inconsistency it introduces is worth the benefit, because whoever needs it can convert a Seq to a Set by various means.


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danieldietrich commented Dec 27, 2016

Yes, I also think the creational API of Multimap still can get hardened. I will take your suggestions into account when re-visiting the Multimap API before the 2.1.0-beta release.


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danieldietrich commented Feb 10, 2017

@asarkar I think @ruslansennov added all missing methods. Please give us a sign if still is missing.

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