Scalatest

.gitignore

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+# macOS
+.DS_Store
+
+# sbt specific
+dist/*
+target/
+lib_managed/
+src_managed/
+project/boot/
+project/plugins/project/
+project/local-plugins.sbt
+.history
+.ensime
+.ensime_cache/
+.sbt-scripted/
+local.sbt
+
+# Bloop
+.bsp
+
+# VS Code
+.vscode/
+
+# Metals
+.bloop/
+.metals/
+metals.sbt
+
+# IDEA
+.idea
+.idea_modules
+/.worksheet/

.scalafmt.conf

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+version = "3.7.14"
+runner.dialect = "scala3"
+preset = default
+indent.main = 4

README.md

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+## sbt project compiled with Scala 3
+
+### Usage
+
+This is a normal sbt project. You can compile code with `sbt compile`, run it with `sbt run`, and `sbt console` will start a Scala 3 REPL.
+
+For more information on the sbt-dotty plugin, see the
+[scala3-example-project](https://github.com/scala/scala3-example-project/blob/main/README.md).

build.sbt

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+val scala3Version = "3.3.1"
+
+lazy val root = project
+  .in(file("."))
+  .settings(
+    name := "advent22",
+    version := "0.1.0-SNAPSHOT",
+
+    scalaVersion := scala3Version,
+
+    libraryDependencies += "org.scalameta" %% "munit" % "0.7.29" % Test
+  )

project/build.properties

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+sbt.version=1.9.7

src/main/scala/Main.scala

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+import scala.io.StdIn.readLine
+import scala.util.Random
+
+// Number guessing game
+@main def hello: Unit =
+    val right_answer = Random().nextInt(101)
+    var attempts = 0
+
+    println(s"Hello, you have <unlimited> attempts")
+
+    while true do
+        attempts += 1
+        print("Enter a number: ")
+        readLine().toIntOption match
+            case Some(n) if n == right_answer =>
+                println(s"yeh, the number was $n. you win. you took $attempts attempts")
+                return
+            case Some(n) if n > right_answer =>
+                println("you too high mah man")
+            case Some(n) if n < right_answer =>
+                println("a litte too low mate")
+            case Some(_) =>
+                println("??? why are you even seeing this message???")
+            case None =>
+                println("that ain't a numbah. you wasted an attempt!")
+
+    println(s"you outta attemps. you lost. the numbah was $right_answer btw")
+    println("kthxbye")
+

src/test/scala/MySuite.scala

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+// For more information on writing tests, see
+// https://scalameta.org/munit/docs/getting-started.html
+class MySuite extends munit.FunSuite {
+  test("example test that succeeds") {
+    val obtained = 42
+    val expected = 42
+    assertEquals(obtained, expected)
+  }
+}