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Make sure type parameter of Event class is non-null #301

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kafumi wants to merge 1 commit into google:iosched_2020 from kafumi:event-non-null

kafumi commented Nov 16, 2018

null can't be used as a valid content of Event because Event uses null to indicate the event has been already handled
It means the type parameter T of Event should never be nullable
Expressed that constrain by giving upper bound Any to T
- Reference: https://speakerdeck.com/npryce/the-kotlin-type-hierarchy-from-top-to-bottom?slide=27


          Make sure type parameter of Event class is non-null

f3351d6

googlebot added the cla: yes label

Base automatically changed from master to main

February 11, 2021 19:22

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