Task project template

.scalafmt.conf

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+binPack.parentConstructors = true
+maxColumn = 120
+includeCurlyBraceInSelectChains = false
+align = most
+version = "2.4.2"
+trailingCommas = preserve
+newlines.penalizeSingleSelectMultiArgList = false
+newlines.alwaysBeforeMultilineDef = false

build.sbt

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+import _root_.sbt.Keys._
+import wartremover.Wart
+import wartremover.Wart._
+
+name := "bachelor-homeworks"
+version := "0.1"
+scalaVersion := "2.13.10"
+
+scalacOptions := List(
+  "-encoding",
+  "utf8",
+  "-feature",
+  "-unchecked",
+  "-deprecation",
+  "-language:_",
+  "-Ymacro-annotations"
+)
+
+libraryDependencies += "org.scalatest"  %% "scalatest"  % "3.2.0" % "test"
+
+wartremoverErrors ++= Seq[Wart](Any, AsInstanceOf, Null, Return, Throw, While, MutableDataStructures)

project/build.properties

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+sbt.version=1.6.2

project/plugins.sbt

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+addSbtPlugin("org.wartremover" % "sbt-wartremover" % "3.0.9")

src/main/scala/mipt/utils/Homeworks.scala

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+package mipt.utils
+
+object Homeworks {
+
+  final case class TaskNotDone(num: String, text: String)
+    extends RuntimeException(s"выполните задание $num : \n $text")
+
+  trait TaskDef {
+    def applySeq(num: Seq[Int]): Nothing
+
+    def apply(num: Int*): Nothing = applySeq(num)
+  }
+
+  @SuppressWarnings(Array("org.wartremover.warts.Throw"))
+  implicit class TaskSyntax(private val cs: StringContext) extends AnyVal {
+    def task(refs: Any*): TaskDef = xs => {
+      val message = cs.s(refs: _*).stripMargin
+      throw TaskNotDone(xs.mkString("."), message)
+    }
+  }
+
+}