I'm experiencing differences regarding compiler errors when compiling the
same code base with

Scala 2.10.0-RC1 / SBT
and
Scala IDE 2.1.0 Milestone 2 for Eclipse 3.7 for Scala 2.10.0-RC1
(http://download.scala-ide.org/releases-210/milestone/org.scala-ide.sd...)

What am I missing?

What are the differences?

--
« Je déteste la montagne, ça cache le paysage »
Alphonse Allais

Hi Iulian,

while the code base compiles fine in the Scala IDE, compiling it via SBT I
get

[error] not enough arguments for method 'findEntry': ...
[error] Unspecified value parameter 'correspond'

How could the cause of the distinct behavior detected? Do you need to
reproduce it or can I check some internals before?

It unexpected. Is `findEntry` a method that has default parameters? A
reproducible test case would for sure help!

iulian

--
« Je déteste la montagne, ça cache le paysage »
Alphonse Allais

Iulian:

Is `findEntry` a method that has default parameters?

There are two overloaded versions of findEntry. The first is defined in
scala.collection.mutable.FlatHashTable, the other in
scalax.collection.mutable.ExtHashSet. Default parameters are not involved.

Please find the code base mentioned at
http://subversion.assembla.com/svn/scala-graph/trunk

For compiling with the Scala IDE, you just need to place a project at
Core/src without any library dependencies.
For compiling with SBT 0.12.1, first refer to project/readMe.txt and then
execute on the SBT console

You'll find 11 significant [error] lines while warnings should be ignored
all together.

Thanks, Peter

Sorry, I forgot to mention that, preparing SBT compile, you also need to
set scala_2_9 to false in Version.scala.

I can now tell the specific reason for the error reported by the SBT
compilation:
https://groups.google.com/forum/?fromgroups=#!topic/scala-internals/m....

But I still cannot explain the difference between Scala IDE, not detecting
any error, and Scala.

On Nov 4, 2012, at 6:12 PM, Peter wrote:

Maybe a mismatch between the Scala library version used in your Sbt build definition and the one in the IDE (i.e., Scala 2.10.0-RC1).

-- Mirco

or in SBT. Do I have to? I'm just setting the compiler version.
In SBT, scala-version == scala-binary-version == 2.10.0-RC1

SBT also reports:
[warn] Binary version (2.10) for dependency
org.scala-lang#scala-library;2.10.0-RC1
[warn]  in com.assembla.scala-incubator#graph-core_2.10.0-RC1;1.5.2 differs
from Scala binary version in project (2.10.0
-RC1).

Mirco, just the other way round: I have a bad reference to the 2.10.0-M7
Scala Library in Eclipse!

On Nov 4, 2012, at 6:44 PM, Peter wrote:

In Sbt, by setting the scala-version, you are effectively setting both the Scala library and compiler version. In Eclipse, the answer depends
on how you configured your project's classpath: make sure you only have one scala-library.jar, and that its version is indeed 2.10.0-RC1.

Great! Then, you did not really update to the latest M2 for Scala 2.10.0-RC1 ;-)

On Nov 4, 2012, at 6:59 PM, Peter wrote:

Eclipse Installation Details:
Scala IDE for Eclipse    2.1.0.m2-2_10-201209130850-f6ab297

Plugin from:
http://scala-ide.org/download/milestone.html#scala_ide_21_milestone_2
via zip
http://download.scala-ide.org/releases-210/milestone/org.scala-ide.sd...
titled "For Scala 2.10.0-RC1"

Is that not correct for RC1?

The moment Scala 2.10.0-RC1 we have released an updated M2 bundled with Scala 2.10.0-RC1.

However, the zip file http://download.scala-ide.org/releases-210/milestone/org.scala-ide.sd...
was NOT updated. That's why you are getting the old Scala library, it's our mistake.

Please, file a ticket on our issue tracker (https://scala-ide-portfolio.assembla.com/spaces/scala-ide/support/tic...)
and, use the following update site to get the Scala IDE M2 with Scala 2.10.0-RC1:

        http://download.scala-ide.org/sdk/e37/scala210/dev/site/

Sorry for the trouble that this caused.

-- Mirco

On Nov 4, 2012, at 7:15 PM, Peter wrote: