skip, limit and slice (original) (raw)

Brian Goetz brian.goetz at oracle.com
Wed Dec 5 07:06:22 PST 2012

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Correct. If you look at the implementation:

 @Override
 public Stream<U> limit(long limit) {
     return pipeline(new SliceOp<U>(0, limit));
 }

 @Override
 public Stream<U> skip(long toSkip) {
     return pipeline(new SliceOp<U>(toSkip));
 }

 @Override
 public Stream<U> slice(long skip, long limit) {
     return pipeline(new SliceOp<U>(skip, limit));
 }

they are strictly for convenience.

On 12/5/2012 9:38 AM, Remi Forax wrote:

skip and limit can be written using slice(), limit(n) => slice(0, n) skip(n) => slice(n, Long.MAXVALUE)

so there are not strictly needed. Given that limit() is a known idiom, may be only limit() and skip() should be kept with the default implementation of limit() calling slice(0, limit). cheers, Rémi

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