issa-tseng / janus

the two-faced application library-framework.
http://janusjs.org
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mapPairs pair-propagation ordering is reversed #148

Closed issa-tseng closed 5 years ago

issa-tseng commented 5 years ago

ideally, the spurious map operation seen here should not exist:

image

theoretically, it doesn't matter; we just throw away the result. but if the mapping function assumes a non-null value of some kind, that's a crash.