filter -package:base -package:aeson is:exact package:bytestring

O(n) filter, applied to a predicate and a ByteString, returns a ByteString containing those characters that satisfy the predicate.
O(n) filter, applied to a predicate and a ByteString, returns a ByteString containing those characters that satisfy the predicate.
O(n) filter, applied to a predicate and a ByteString, returns a ByteString containing those characters that satisfy the predicate.