Author Archives: Pavel Fatin

Together with the IDEA 12 release Scala plugin brings a brand new Scala compilation subsystem. Here are the main updates: The compilation is now “external”. Incremental compilation is now handled by SBT (instead of IDEA itself). Compile server is now … Continue reading →

The truth is that programmers often need to embed dynamic variables into static string patterns. To accomplish this feat we used to write something like: or even A good news is that Scala 2.10 brings a shiny new string interpolation: … Continue reading →

Recursion is an essential tool in functional programming (FP) – it is the canonical way (and often the only way) to represent iteration. Being a hybrid object/functional language, Scala offers both recursion and imperative control structures (like do, while, etc) … Continue reading →

After the introduction of chained package clauses in Scala 2.8 we have the ability to rewrite “package foo.bar” as “package foo; package bar” in order to automatically import all “foo” package entities (so, these two declarations are not equivalent). Scala … Continue reading →

Usual Scala compilation never seems fast enough. There are two main reasons why: It takes a lot of time to start Scala compiler and to process standard libraries. Scala compiler doesn’t support selective recompilation. The first problem is solved by … Continue reading →

Generally, we recommend using nightly builds of Scala plugin to stay up to date in cutting-edge features and bug-fixes. Most nightlies are rather stable and may often work even better than “officially stable” releases. Although we can always download the … Continue reading →

There are some concerns in Scala community surrounding the introduction of Kotlin. Besides arisen Scala vs Kotlin battle, there’s a question on whether JetBrains will continue to develop IntelliJ Scala plugin. To settle the doubts we would like to announce … Continue reading →

For a long time Scala users have been deprived of conveniences offered by automatic imports insertion on code paste (which most Java-developers take as a matter of course). Now it’s time to take our revenge! Here’s where the main switch … Continue reading →

In Scala, you may often want to replace braces with parentheses and vice versa. For example, imagine that you decided to use curly braces in the following statement: It looks like not a big deal, but in practice it takes … Continue reading →

In Scala it’s not always obvious when some expression is an argument to a by-name parameter. New highlighting helps to easily spot such expression.