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UsingSBT.md

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Using SBT

SBT is Scala's build system. It will help you compile your code and download any dependencies that you require.

If you are using an IDE like IntelliJ, all you have to do is import the SBT project and IntelliJ will set everything up for you. To do that, click "Import Project" on the startup window, choose "build.sbt" file in the root directory of this project. Press "OK" on the window that pops up.

Alternatively, you can install the command-line tool for your platform here. Once you have the command-line tool, you can run sbt run to run the main class of your project. For more commands/info, see SBT's getting started guide and documentation.

Adding sub-projects

To create a sub-project, make a "build.sbt" file that's structured like this:

lazy val myProjectName = (project in file(".")).
  settings(
    name := "MyProject",
    scalaVersion := "2.10.4"
  )

The name of the variable corresponds to the project id and the module name within IntelliJ, so make sure it is not the same as any of the other sub-projects. In the project's root "build.sbt" file, add lazy val myProjectName = project to the top. In the call to .aggregate, add myProjectName as one of the arguments. Refresh the project in IntelliJ (if you don't have auto-import turned on) and it will automatically adjust the modules of the project.