Scala Notes 1

Inherit from NotNull to have the type system check that no reference to the type can be null. To ensure that a specific reference to an object cannot be null declare it as ‘Foo with NotNull’. Doesn’t work with Java types.

Link time dependencies to stuff is different between Scala and Java: joda-time uses some annotations defined in joda-convert on some constructors in DateTime but joda-convert is marked as an optional dependency in joda-time’s POM.

use EclipseKeys.withSource := true to make sbteclipse attach source jars to the eclipse classpath.

resolvers += “Local Maven Repository” at “file://”+Path.userHome+”/.m2/repository” in build.sbt to leverage local maven repository.

-- Matthias Schütz 20 May 2012

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