Returns false as soon as predicate returns false for any value in source, closing upstream early.
false
predicate
source
Predicates are evaluated sequentially. Returns true for empty sources, and waits for cleanup before resolving.
true
Returns
falseas soon aspredicatereturnsfalsefor any value insource, closing upstream early.Predicates are evaluated sequentially. Returns
truefor empty sources, and waits for cleanup before resolving.