Stream.flatMap signature is not correct (original) (raw)

Kevin Bourrillion kevinb at google.com
Sat Dec 1 09:34:28 PST 2012

On Fri, Nov 30, 2012 at 8:44 PM, Remi Forax <forax at univ-mlv.fr> wrote:

Stream.flatMap is currently specified as:

Stream flatMap(FlatMapper<? super T, ? extends R> mapper); but should be: Stream flatMap(FlatMapper<? super T, ? super R> mapper);

I don't understand. If the mapper produces Numbers how can you return a stream of Integers?

-- Kevin Bourrillion | Java Librarian | Google, Inc. | kevinb at google.com -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mail.openjdk.java.net/pipermail/lambda-libs-spec-experts/attachments/20121201/bbda691e/attachment.html

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