:: Eq a => [a] -> a -> Bool -package:hledger-web -package:yesod-paginator -package:cabal-install-solver -package:faktory package:vector

elem :: (Vector v a, Eq a) => a -> v a -> Bool
vector Data.Vector.Generic
O(n) Check if the vector contains an element.
notElem :: (Vector v a, Eq a) => a -> v a -> Bool
vector Data.Vector.Generic
O(n) Check if the vector does not contain an element (inverse of elem).