findFirst(Predicate<? super T> predicate) would be nice too чт, 8 нояб. 2018 г. в 8:01, Jacob Glickman <jhg...@bucknell.edu>:
> Hello! > > I see myself having to often call count() as a terminal operation on a > Stream immediately after performing a filter operation. How feasible would > it be to add an overloaded count() method that accepts a Predicate, which > it uses as a filter before returning the count of elements in the Stream? > If this is supported, I'd gladly create the webrev & tests for it! > > I suppose the method signature can be something along the lines of: > > long count(Predicate<? super T> predicate) > > It would also seem reasonable to give this method to IntStream, > DoubleStream, and LongStream, but allowing them to use IntPredicate, > DoublePredicate, and LongPredicate respectively. > > Thanks, > > Jacob Glickman >
