Comments in build.sbt are useless
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build.sbt
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build.sbt
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// The simplest possible sbt build file is just one line:
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scalaVersion := "2.13.1"
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// That is, to create a valid sbt build, all you've got to do is define the
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// version of Scala you'd like your project to use.
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// ============================================================================
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// Lines like the above defining `scalaVersion` are called "settings". Settings
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// are key/value pairs. In the case of `scalaVersion`, the key is "scalaVersion"
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// and the value is "2.13.1"
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// It's possible to define many kinds of settings, such as:
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name := "the-game"
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name := "TheGame"
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organization := "fr.ynerant"
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version := "1.0"
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// Note, it's not required for you to define these three settings. These are
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// mostly only necessary if you intend to publish your library's binaries on a
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// place like Sonatype or Bintray.
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// Want to use a published library in your project?
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// You can define other libraries as dependencies in your build like this:
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// https://mvnrepository.com/artifact/net.liftweb/lift-json
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libraryDependencies += "net.liftweb" %% "lift-json" % "3.4.1"
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// Here, `libraryDependencies` is a set of dependencies, and by using `+=`,
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// we're adding the cats dependency to the set of dependencies that sbt will go
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// and fetch when it starts up.
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// Now, in any Scala file, you can import classes, objects, etc., from cats with
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// a regular import.
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// TIP: To find the "dependency" that you need to add to the
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// `libraryDependencies` set, which in the above example looks like this:
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// "org.typelevel" %% "cats-core" % "2.0.0"
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// You can use Scaladex, an index of all known published Scala libraries. There,
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// after you find the library you want, you can just copy/paste the dependency
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// information that you need into your build file. For example, on the
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// typelevel/cats Scaladex page,
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// https://index.scala-lang.org/typelevel/cats, you can copy/paste the sbt
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// dependency from the sbt box on the right-hand side of the screen.
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// IMPORTANT NOTE: while build files look _kind of_ like regular Scala, it's
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// important to note that syntax in *.sbt files doesn't always behave like
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// regular Scala. For example, notice in this build file that it's not required
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// to put our settings into an enclosing object or class. Always remember that
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// sbt is a bit different, semantically, than vanilla Scala.
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// ============================================================================
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// Most moderately interesting Scala projects don't make use of the very simple
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// build file style (called "bare style") used in this build.sbt file. Most
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// intermediate Scala projects make use of so-called "multi-project" builds. A
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// multi-project build makes it possible to have different folders which sbt can
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// be configured differently for. That is, you may wish to have different
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// dependencies or different testing frameworks defined for different parts of
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// your codebase. Multi-project builds make this possible.
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// Here's a quick glimpse of what a multi-project build looks like for this
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// build, with only one "subproject" defined, called `root`:
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// lazy val root = (project in file(".")).
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// settings(
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// inThisBuild(List(
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// organization := "ch.epfl.scala",
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// scalaVersion := "2.13.1"
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// )),
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// name := "hello-world"
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// )
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// To learn more about multi-project builds, head over to the official sbt
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// documentation at http://www.scala-sbt.org/documentation.html
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