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From Aljoscha Krettek <aljos...@apache.org>
Subject Re: Scala API rewrite almost complete
Date Thu, 11 Sep 2014 15:40:42 GMT
I added the PageRank example, thanks again fabian. :D

Regarding the other stuff:
 - There is a comment in DataSet.scala about including
org.apache.flink.api.scala._ because of the TypeInformation.
 - I added generateSequence to ExecutionEnvironment.
 - It is possible to use Scala Primitives in Array, I noticed it while
writing the tests, you probably had an older version of the code.
 - Yes, using List and other Interfaces is not possible, this is also
a restriction in the Java API.

What do you think about the interface of join and coGroup? Right now,
you can either use a lambda that returns an Option or the lambda with
the Collector. Originally I wanted to have also have a lambda that
returns a Collection, but due to type erasure this has the same type
as the lambda with the Option so I couldn't use it. There is an
implicit conversion from Option to a Collection, so I could change it
without breaking the examples we have now. What do you think?

So far we have ported: WordCount, KMeans, ConnectedComponents,
WebLogAnalysis, TransitiveClosureNaive, TriangleEnumerationNaive/Opt,
PageRank

These are the examples people called dibs on:
 - BatchGradientDescent (Márton) (Should be a port of LinearRegression
Example from Java)
 - ComputeEdgeDegrees (Hermann)

Those are unclaimed (if I'm not mistaken):
 - The relational Stuff

On Thu, Sep 11, 2014 at 3:06 PM, Stephan Ewen <sewen@apache.org> wrote:
> +1 for removing RelationQuery
>
> On Thu, Sep 11, 2014 at 3:04 PM, Aljoscha Krettek <aljoscha@apache.org>
> wrote:
>
>> By the way, what was called BatchGradientDescent in the Scala examples
>> should be replaced by a port of the LinearRegression Example from
>> Java. I had them as two separate examples earlier.
>>
>> What about RelationalQuery and TPC-H-Q3. Any thoughts about removing
>> RelationalQuery?
>>
>> On Thu, Sep 11, 2014 at 11:43 AM, Aljoscha Krettek <aljoscha@apache.org>
>> wrote:
>> > I added the Triangle Enumeration Examples, thanks Fabian.
>> >
>> > So far we have ported: WordCount, KMeans, ConnectedComponents,
>> > WebLogAnalysis, TransitiveClosureNaive, TriangleEnumerationNaive/Opt
>> >
>> > These are the examples people called dibs on:
>> >  - PageRank (Fabian)
>> >  - BatchGradientDescent (Márton)
>> >  - ComputeEdgeDegrees (Hermann)
>> >
>> > Those are unclaimed (if I'm not mistaken):
>> >  - The relational Stuff
>> >  - LinearRegression
>> >
>> > On Wed, Sep 10, 2014 at 6:04 PM, Aljoscha Krettek <aljoscha@apache.org>
>> wrote:
>> >> Thanks, I added it. I'll keep a running list of ported/unported
>> >> examples in my mails. I'll rename the java example package to examples
>> >> once the Scala API merge is done.
>> >>
>> >> I think the termination criterion is fine as it is. Just because Scala
>> >> enables functional programming doesn't mean it's always the best
>> >> choice. :D
>> >>
>> >> So far we have ported: WordCount, KMeans, ConnectedComponents,
>> >> WebLogAnalysis, TransitiveClosureNaive
>> >>
>> >> These are the examples people called dibs on:
>> >>  - TriangleEnumration and PageRank (Fabian)
>> >>  - BatchGradientDescent (Márton)
>> >>  - ComputeEdgeDegrees (Hermann)
>> >>
>> >> Those are unclaimed (if I'm not mistaken):
>> >>  - The relational Stuff
>> >>  - LinearRegression
>> >>
>> >> Cheers,
>> >> Aljoscha
>> >>
>> >> On Wed, Sep 10, 2014 at 4:23 PM, Kostas Tzoumas <ktzoumas@apache.org>
>> wrote:
>> >>> Transitive closure here, I also added a termination criterion in the
>> Java
>> >>> version:
>> https://github.com/ktzoumas/incubator-flink/tree/tc-scala-example
>> >>>
>> >>> Perhaps you can make the termination criterion in Scala more
>> functional?
>> >>>
>> >>> I noticed that the examples package name is example.java but
>> examples.scala
>> >>>
>> >>> Kostas
>> >>>
>> >>> On Tue, Sep 9, 2014 at 6:12 PM, Kostas Tzoumas <ktzoumas@apache.org>
>> wrote:
>> >>>>
>> >>>> I'll take TransitiveClosure and PiEstimation (was not on your list).
>> >>>>
>> >>>> If nobody volunteers for the relational stuff I can take those as
>> well.
>> >>>>
>> >>>> How about removing the "RelationalQuery" from both Scala and Java?
It
>> >>>> seems to be a proper subset of TPC-H Q3. Does it add some teaching
>> value on
>> >>>> top of TPC-H Q3?
>> >>>>
>> >>>> Kostas
>> >>>>
>> >>>> On Tue, Sep 9, 2014 at 5:57 PM, Aljoscha Krettek <aljoscha@apache.org
>> >
>> >>>> wrote:
>> >>>>>
>> >>>>> Thanks, I added it, along with an ITCase.
>> >>>>>
>> >>>>> So far we have ported: WordCount, KMeans, ConnectedComponents,
>> >>>>> WebLogAnalysis
>> >>>>>
>> >>>>> These are the examples people called dibs on:
>> >>>>>  - TriangleEnumration and PageRank (Fabian)
>> >>>>>  - BatchGradientDescent (Márton)
>> >>>>>  - ComputeEdgeDegrees (Hermann)
>> >>>>>
>> >>>>> Those are unclaimed (if I'm not mistaken):
>> >>>>>  - TransitiveClosure
>> >>>>>  - The relational Stuff
>> >>>>>  - LinearRegression
>> >>>>>
>> >>>>> Cheers,
>> >>>>> Aljoscha
>> >>>>>
>> >>>>> On Tue, Sep 9, 2014 at 5:21 PM, Kostas Tzoumas <ktzoumas@apache.org>
>> >>>>> wrote:
>> >>>>> > WebLog here:
>> >>>>> >
>> >>>>> >
>> https://github.com/ktzoumas/incubator-flink/tree/webloganalysis-example-scala
>> >>>>> >
>> >>>>> > Do you need any more done?
>> >>>>> >
>> >>>>> > On Tue, Sep 9, 2014 at 3:08 PM, Aljoscha Krettek <
>> aljoscha@apache.org>
>> >>>>> > wrote:
>> >>>>> >
>> >>>>> >> I added the ConnectedComponents Example from Vasia.
>> >>>>> >>
>> >>>>> >> Keep 'em coming, people. :D
>> >>>>> >>
>> >>>>> >> On Mon, Sep 8, 2014 at 6:07 PM, Fabian Hueske <fhueske@apache.org
>> >
>> >>>>> >> wrote:
>> >>>>> >> > Alright, will do.
>> >>>>> >> > Thanks!
>> >>>>> >> >
>> >>>>> >> > 2014-09-08 17:48 GMT+02:00 Aljoscha Krettek <
>> aljoscha@apache.org>:
>> >>>>> >> >
>> >>>>> >> >> Ok people, executive decision. :D
>> >>>>> >> >>
>> >>>>> >> >> Please look at KMeansData.java and KMeans.scala.
I'm storing
>> the
>> >>>>> >> >> data
>> >>>>> >> >> in multi-dimensional object arrays and then
converting it to
>> the
>> >>>>> >> >> required Java or Scala objects.
>> >>>>> >> >>
>> >>>>> >> >> Also, I changed isEqualTo to equalTo to make
it consistent
>> with the
>> >>>>> >> >> Java
>> >>>>> >> >> API.
>> >>>>> >> >>
>> >>>>> >> >> Regarding Join (and coGroup). There is no
need for a keyword,
>> you
>> >>>>> >> >> can
>> >>>>> >> >> just write:
>> >>>>> >> >>
>> >>>>> >> >> left.join(right).where(0).equalTo(1) { (le,
re) => new
>> MyResult(le,
>> >>>>> >> >> re)
>> >>>>> >> }
>> >>>>> >> >>
>> >>>>> >> >> On Mon, Sep 8, 2014 at 2:07 PM, Fabian Hueske
<
>> fhueske@apache.org>
>> >>>>> >> wrote:
>> >>>>> >> >> > Aside from the DataSet issue, I also
found an inconsistency
>> with
>> >>>>> >> >> > the
>> >>>>> >> Java
>> >>>>> >> >> > API. In Java join is done as:
>> >>>>> >> >> >
>> >>>>> >> >> > ds1.join(ds2).where(...).equalTo(...)
>> >>>>> >> >> >
>> >>>>> >> >> > where in the current Scala this is:
>> >>>>> >> >> >
>> >>>>> >> >> > ds1.join(d2).where(...).isEqualTo(...)
>> >>>>> >> >> >
>> >>>>> >> >> > isEqualTo() should be renamed to equalTo(),
IMO.
>> >>>>> >> >> > Also, join (+cross and coGroup?) lacks
the with() method
>> because
>> >>>>> >> "with"
>> >>>>> >> >> is
>> >>>>> >> >> > a keyword in Scala. Should be offer something
similar for
>> Scala
>> >>>>> >> >> > or go
>> >>>>> >> >> with
>> >>>>> >> >> > map() on Tuple2(left, right)?
>> >>>>> >> >> >
>> >>>>> >> >> > 2014-09-08 13:51 GMT+02:00 Stephan Ewen
<sewen@apache.org>:
>> >>>>> >> >> >
>> >>>>> >> >> >> Instead of Strings, Object[][] would
work as well. That is a
>> >>>>> >> >> >> generic
>> >>>>> >> >> >> representation of a Tuple.
>> >>>>> >> >> >>
>> >>>>> >> >> >> Alternatively, they could be stored
as Java or Scala Tuples,
>> >>>>> >> >> >> with a
>> >>>>> >> >> generic
>> >>>>> >> >> >> utility method to convert between
the two.
>> >>>>> >> >> >>
>> >>>>> >> >> >> On Mon, Sep 8, 2014 at 10:55 AM,
Fabian Hueske
>> >>>>> >> >> >> <fhueske@apache.org>
>> >>>>> >> >> wrote:
>> >>>>> >> >> >>
>> >>>>> >> >> >> > Yeah, I ran into the same problem...
>> >>>>> >> >> >> >
>> >>>>> >> >> >> > +1 for using Strings and parsing
them,  but using the
>> >>>>> >> >> >> > CSVFormat
>> >>>>> >> won't
>> >>>>> >> >> >> work
>> >>>>> >> >> >> > because this is based on a FileInputFormat.
>> >>>>> >> >> >> > So we would need to parse the
Strings manually...
>> >>>>> >> >> >> >
>> >>>>> >> >> >> > 2014-09-08 10:35 GMT+02:00 Aljoscha
Krettek
>> >>>>> >> >> >> > <aljoscha@apache.org>:
>> >>>>> >> >> >> >
>> >>>>> >> >> >> > > Hi,
>> >>>>> >> >> >> > > on second thought. Maybe
we should just change all the
>> >>>>> >> >> >> > > example
>> >>>>> >> input
>> >>>>> >> >> >> > > data to strings and use
CSV input formats in all the
>> >>>>> >> >> >> > > examples.
>> >>>>> >> What
>> >>>>> >> >> do
>> >>>>> >> >> >> > > you think?
>> >>>>> >> >> >> > >
>> >>>>> >> >> >> > > Cheers,
>> >>>>> >> >> >> > > Aljoscha
>> >>>>> >> >> >> > >
>> >>>>> >> >> >> > > On Mon, Sep 8, 2014 at
7:46 AM, Aljoscha Krettek <
>> >>>>> >> >> aljoscha@apache.org>
>> >>>>> >> >> >> > > wrote:
>> >>>>> >> >> >> > > > Hi,
>> >>>>> >> >> >> > > > yes it's unfortunate
that the data types are
>> incompatible.
>> >>>>> >> >> >> > > > I'm
>> >>>>> >> >> afraid
>> >>>>> >> >> >> > > > you have to to what
you proposed: move the data to a
>> >>>>> >> >> >> > > > static
>> >>>>> >> field
>> >>>>> >> >> and
>> >>>>> >> >> >> > > > convert it in the
getDefaultEdgeDataSet() method in
>> Scala.
>> >>>>> >> >> >> > > > It's
>> >>>>> >> >> not
>> >>>>> >> >> >> > > > nice, but copying
would duplicate the data and make it
>> >>>>> >> >> >> > > > easier
>> >>>>> >> for
>> >>>>> >> >> it
>> >>>>> >> >> >> > > > to go out of sync
in the Java and Scala versions.
>> >>>>> >> >> >> > > >
>> >>>>> >> >> >> > > > What do the others
think? This will probably occur in
>> all
>> >>>>> >> >> >> > > > the
>> >>>>> >> >> >> examples.
>> >>>>> >> >> >> > > >
>> >>>>> >> >> >> > > > Cheers,
>> >>>>> >> >> >> > > > Aljoscha
>> >>>>> >> >> >> > > >
>> >>>>> >> >> >> > > > On Sun, Sep 7, 2014
at 10:04 PM, Vasiliki Kalavri
>> >>>>> >> >> >> > > > <vasilikikalavri@gmail.com>
wrote:
>> >>>>> >> >> >> > > >> Hey,
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >> I have ported
the Connected Components example, but
>> I am
>> >>>>> >> >> >> > > >> not
>> >>>>> >> sure
>> >>>>> >> >> >> how
>> >>>>> >> >> >> > to
>> >>>>> >> >> >> > > >> reuse the example
input data from java-examples.
>> >>>>> >> >> >> > > >> In the ConnectedComponentsData
class, the vertices
>> and
>> >>>>> >> >> >> > > >> edges
>> >>>>> >> data
>> >>>>> >> >> >> are
>> >>>>> >> >> >> > > >> produced by the
methods getDefaultVertexDataSet()
>> >>>>> >> >> >> > > >> and getDefaultEdgeDataSet(),
which take
>> >>>>> >> >> >> > > >> an org.apache.flink.api.java.ExecutionEnvironment
as
>> >>>>> >> parameter.
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >> One way is to
provide public static fields (like in
>> the
>> >>>>> >> >> >> WordCountData
>> >>>>> >> >> >> > > >> class), but this
introduces a conversion
>> >>>>> >> >> >> > > >> from org.apache.flink.api.java.tuple.Tuple2
to Scala
>> >>>>> >> >> >> > > >> tuple and
>> >>>>> >> >> from
>> >>>>> >> >> >> > > >> java.lang.Long
to scala.Long and I guess this is an
>> >>>>> >> unnecessary
>> >>>>> >> >> >> > > complexity
>> >>>>> >> >> >> > > >> for an example
(?).
>> >>>>> >> >> >> > > >> Another way is,
of course, to copy the example data
>> in
>> >>>>> >> >> >> > > >> the
>> >>>>> >> Scala
>> >>>>> >> >> >> > > example.
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >> Am I missing something
here?
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >> Thanks!
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >> Cheers,
>> >>>>> >> >> >> > > >> V.
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >> On 5 September
2014 15:52, Aljoscha Krettek <
>> >>>>> >> aljoscha@apache.org
>> >>>>> >> >> >
>> >>>>> >> >> >> > > wrote:
>> >>>>> >> >> >> > > >>
>> >>>>> >> >> >> > > >>> Alright, I
updated my repo:
>> >>>>> >> >> >> > > >>>
>> >>>>> >> >>
>> https://github.com/aljoscha/incubator-flink/commits/scala-rework
>> >>>>> >> >> >> > > >>>
>> >>>>> >> >> >> > > >>> This now has
a working WordCount example. It's
>> pretty
>> >>>>> >> >> >> > > >>> much a
>> >>>>> >> >> copy
>> >>>>> >> >> >> of
>> >>>>> >> >> >> > > >>> the Java example
with some fixups for the syntax and
>> >>>>> >> >> >> > > >>> lambda
>> >>>>> >> >> >> > functions.
>> >>>>> >> >> >> > > >>> You'll also
notice that I added the java-examples
>> as a
>> >>>>> >> >> dependency
>> >>>>> >> >> >> for
>> >>>>> >> >> >> > > >>> the scala-examples.
I did this to reuse the example
>> >>>>> >> >> >> > > >>> input
>> >>>>> >> data.
>> >>>>> >> >> >> > > >>>
>> >>>>> >> >> >> > > >>> When you ported
a program you can do a pull request
>> >>>>> >> >> >> > > >>> against
>> >>>>> >> my
>> >>>>> >> >> repo
>> >>>>> >> >> >> > > >>> and I will
collect the examples.
>> >>>>> >> >> >> > > >>>
>> >>>>> >> >> >> > > >>> Happy coding.
:D
>> >>>>> >> >> >> > > >>>
>> >>>>> >> >> >> > > >>> On Fri, Sep
5, 2014 at 12:19 PM, Hermann Gábor <
>> >>>>> >> >> >> reckoner42@gmail.com
>> >>>>> >> >> >> > >
>> >>>>> >> >> >> > > >>> wrote:
>> >>>>> >> >> >> > > >>> > +1
>> >>>>> >> >> >> > > >>> >
>> >>>>> >> >> >> > > >>> > ComputeEdgeDegrees
for me!
>> >>>>> >> >> >> > > >>> >
>> >>>>> >> >> >> > > >>> >
>> >>>>> >> >> >> > > >>> > On Fri,
Sep 5, 2014 at 11:44 AM, Márton Balassi <
>> >>>>> >> >> >> > > >>> balassi.marton@gmail.com>
>> >>>>> >> >> >> > > >>> > wrote:
>> >>>>> >> >> >> > > >>> >
>> >>>>> >> >> >> > > >>> >> +1
>> >>>>> >> >> >> > > >>> >>
>> >>>>> >> >> >> > > >>> >> BatchGradientDescent
for me :)
>> >>>>> >> >> >> > > >>> >>
>> >>>>> >> >> >> > > >>> >>
>> >>>>> >> >> >> > > >>> >> On
Fri, Sep 5, 2014 at 11:15 AM, Kostas Tzoumas <
>> >>>>> >> >> >> > > ktzoumas@apache.org>
>> >>>>> >> >> >> > > >>> >> wrote:
>> >>>>> >> >> >> > > >>> >>
>> >>>>> >> >> >> > > >>> >> >
+1
>> >>>>> >> >> >> > > >>> >> >
>> >>>>> >> >> >> > > >>> >> >
I go for WebLogAnalysis.
>> >>>>> >> >> >> > > >>> >> >
>> >>>>> >> >> >> > > >>> >> >
My experience with Scala consists of going
>> through
>> >>>>> >> >> >> > > >>> >> >
a
>> >>>>> >> >> tutorial
>> >>>>> >> >> >> so
>> >>>>> >> >> >> > > this
>> >>>>> >> >> >> > > >>> >> will
>> >>>>> >> >> >> > > >>> >> >
be a good stress test both for me and the new
>> API
>> >>>>> >> >> >> > > >>> >> >
:-)
>> >>>>> >> >> >> > > >>> >> >
>> >>>>> >> >> >> > > >>> >> >
>> >>>>> >> >> >> > > >>> >> >
On Thu, Sep 4, 2014 at 9:09 PM, Vasiliki
>> Kalavri <
>> >>>>> >> >> >> > > >>> >> >
vasilikikalavri@gmail.com>
>> >>>>> >> >> >> > > >>> >> >
wrote:
>> >>>>> >> >> >> > > >>> >> >
>> >>>>> >> >> >> > > >>> >> >
> +1 for having other people implement the
>> >>>>> >> >> >> > > >>> >> >
> examples!
>> >>>>> >> >> >> > > >>> >> >
> Connected Components and Kmeans for me :)
>> >>>>> >> >> >> > > >>> >> >
>
>> >>>>> >> >> >> > > >>> >> >
> -V.
>> >>>>> >> >> >> > > >>> >> >
>
>> >>>>> >> >> >> > > >>> >> >
>
>> >>>>> >> >> >> > > >>> >> >
> On 4 September 2014 21:03, Fabian Hueske <
>> >>>>> >> >> >> fhueske@apache.org>
>> >>>>> >> >> >> > > >>> wrote:
>> >>>>> >> >> >> > > >>> >> >
>
>> >>>>> >> >> >> > > >>> >> >
> > I go for TriangleEnumeration and PageRank.
>> >>>>> >> >> >> > > >>> >> >
> >
>> >>>>> >> >> >> > > >>> >> >
> > Let's also do the examples similar to the
>> Java
>> >>>>> >> >> examples:
>> >>>>> >> >> >> > > >>> >> >
> > - running out-of-the-box without parameters
>> >>>>> >> >> >> > > >>> >> >
> > - parameters for external data
>> >>>>> >> >> >> > > >>> >> >
> > - follow a similar code structure
>> >>>>> >> >> >> > > >>> >> >
> >
>> >>>>> >> >> >> > > >>> >> >
> >
>> >>>>> >> >> >> > > >>> >> >
> >
>> >>>>> >> >> >> > > >>> >> >
> > 2014-09-04 20:56 GMT+02:00 Aljoscha
>> Krettek <
>> >>>>> >> >> >> > > aljoscha@apache.org
>> >>>>> >> >> >> > > >>> >:
>> >>>>> >> >> >> > > >>> >> >
> >
>> >>>>> >> >> >> > > >>> >> >
> > > Will do, then people can reserve their
>> >>>>> >> >> >> > > >>> >> >
> > > favourite
>> >>>>> >> >> >> examples
>> >>>>> >> >> >> > > here.
>> >>>>> >> >> >> > > >>> >> >
> > >
>> >>>>> >> >> >> > > >>> >> >
> > > On Thu, Sep 4, 2014 at 8:55 PM, Fabian
>> Hueske
>> >>>>> >> >> >> > > >>> >> >
> > > <
>> >>>>> >> >> >> > > >>> fhueske@apache.org>
>> >>>>> >> >> >> > > >>> >> >
> > wrote:
>> >>>>> >> >> >> > > >>> >> >
> > > > Hi,
>> >>>>> >> >> >> > > >>> >> >
> > > >
>> >>>>> >> >> >> > > >>> >> >
> > > > I think having examples implemented by
>> >>>>> >> >> >> > > >>> >> >
> > > > different
>> >>>>> >> >> >> people
>> >>>>> >> >> >> > > >>> proved to
>> >>>>> >> >> >> > > >>> >> >
be
>> >>>>> >> >> >> > > >>> >> >
> > > > valuable in the past.
>> >>>>> >> >> >> > > >>> >> >
> > > > I'd help with two or three examples.
>> >>>>> >> >> >> > > >>> >> >
> > > >
>> >>>>> >> >> >> > > >>> >> >
> > > > It might be helpful if you'd port a
>> simple
>> >>>>> >> >> >> > > >>> >> >
> > > > first
>> >>>>> >> >> one
>> >>>>> >> >> >> > such
>> >>>>> >> >> >> > > as
>> >>>>> >> >> >> > > >>> >> >
> WordCount.
>> >>>>> >> >> >> > > >>> >> >
> > > >
>> >>>>> >> >> >> > > >>> >> >
> > > > Fabian
>> >>>>> >> >> >> > > >>> >> >
> > > >
>> >>>>> >> >> >> > > >>> >> >
> > > >
>> >>>>> >> >> >> > > >>> >> >
> > > > 2014-09-04 18:47 GMT+02:00 Aljoscha
>> Krettek
>> >>>>> >> >> >> > > >>> >> >
> > > > <
>> >>>>> >> >> >> > > >>> aljoscha@apache.org
>> >>>>> >> >> >> > > >>> >> >:
>> >>>>> >> >> >> > > >>> >> >
> > > >
>> >>>>> >> >> >> > > >>> >> >
> > > >> Hi,
>> >>>>> >> >> >> > > >>> >> >
> > > >> I have a working rewrite of the Scala
>> API
>> >>>>> >> >> >> > > >>> >> >
> > > >> here:
>> >>>>> >> >> >> > > >>> >> >
> > > >>
>> >>>>> >> >> >> > > >>> >>
>> >>>>> >> >> >>
>> https://github.com/aljoscha/incubator-flink/commits/scala-rework
>> >>>>> >> >> >> > > >>> >> >
> > > >>
>> >>>>> >> >> >> > > >>> >> >
> > > >> I'm hoping that I'll only have to
>> write
>> >>>>> >> >> >> > > >>> >> >
> > > >> the
>> >>>>> >> tests
>> >>>>> >> >> and
>> >>>>> >> >> >> > > port
>> >>>>> >> >> >> > > >>> the
>> >>>>> >> >> >> > > >>> >> >
> > > >> examples. Do you think it makes sense
>> to
>> >>>>> >> >> >> > > >>> >> >
> > > >> let
>> >>>>> >> other
>> >>>>> >> >> >> > people
>> >>>>> >> >> >> > > >>> port
>> >>>>> >> >> >> > > >>> >> the
>> >>>>> >> >> >> > > >>> >> >
> > > >> examples, so that someone else uses
>> it and
>> >>>>> >> maybe
>> >>>>> >> >> >> > notices
>> >>>>> >> >> >> > > some
>> >>>>> >> >> >> > > >>> >> >
quirks
>> >>>>> >> >> >> > > >>> >> >
> > > >> in the API?
>> >>>>> >> >> >> > > >>> >> >
> > > >>
>> >>>>> >> >> >> > > >>> >> >
> > > >> Cheers,
>> >>>>> >> >> >> > > >>> >> >
> > > >> Aljoscha
>> >>>>> >> >> >> > > >>> >> >
> > > >>
>> >>>>> >> >> >> > > >>> >> >
> > >
>> >>>>> >> >> >> > > >>> >> >
> >
>> >>>>> >> >> >> > > >>> >> >
>
>> >>>>> >> >> >> > > >>> >> >
>> >>>>> >> >> >> > > >>> >>
>> >>>>> >> >> >> > > >>>
>> >>>>> >> >> >> > >
>> >>>>> >> >> >> >
>> >>>>> >> >> >>
>> >>>>> >> >>
>> >>>>> >>
>> >>>>
>> >>>>
>> >>>
>>

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