Is it possible for Scala to offer type checking inside scripts?

Does anyone know if there's a way to do have type checking in scripts for Scala? When I'm writing short scripts, I f开发者_Python百科eel I lose a lot of the strength of Scala's typechecking (i.e. catching errors when writing code, rather than when I try and compile).

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See this fantastic answer by Miles Sabin; thanks to tenshi for pointing this out. You want to run

scala -Ystop:refchecks ScriptToCheck.scala

Success is indicated by this output:

java.lang.ClassNotFoundException: Main

I agree that it would be nice if a more user-friendly way were available (the -Y compiler options are quite arcane, and subject to change without notice; the success message belies the "hackishness" of this solution). But for the time being, you should be able to use this.

Hope I've been helpful.

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If you use the Ecplise Scala IDE it supports incremental compilation, just like the JDT does for Java. This way, you get your red lights as you go.