Initial commit

.envrc

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+use flake

.gitignore

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+.bsp
+.direnv
+.metals
+.scala-build

.scalafmt.conf

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+version = "3.9.9"
+runner.dialect = scala3
+
+preset=defaultWithAlign
+
+assumeStandardLibraryStripMargin = true
+maxColumn = 100
+continuationIndent.callSite = 2
+continuationIndent.defnSite = 2
+align.arrowEnumeratorGenerator = true
+align.openParenDefnSite = false
+align.stripMargin = true
+rewrite.rules = [RedundantBraces, Imports, RedundantParens, SortModifiers, PreferCurlyFors]
+rewrite.redundantBraces.ifElseExpressions = true
+rewrite.redundantBraces.stringInterpolation = true
+verticalMultiline.atDefnSite = true
+verticalMultiline.newlineAfterOpenParen = true
+optIn.breaksInsideChains = true
+lineEndings = unix
+
+rewrite.scala3.convertToNewSyntax = true
+rewrite.scala3.removeOptionalBraces = yes
+rewrite.scala3.insertEndMarkerMinLines = 30
+rewrite.scala3.removeEndMarkerMaxLines = 29
+newlines.topLevelStatementBlankLines = [
+  { regex = "^Import", blanks { after = 1 } }
+]

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1764506988,
+        "narHash": "sha256-clj4TsIVqiFfvyu+mfm3s94Y7iOP+eRa62wxzLUV49M=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "4c7d90a136071eb8154d6b3fe63b0046de9d4712",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    { nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShell = pkgs.mkShell {
+          buildInputs = [ pkgs.scala-cli ];
+        };
+      }
+    );
+}

project.scala

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+//> using scala 3.7.4
+//> using option -Wunused:all

src/aoc.scala

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+package aoc
+
+import scala.io.Source
+import scala.util.Using
+
+def loadInput(dayNumber: String) =
+  Using.resource(Source.fromFile(s"input/day$dayNumber"))(_.mkString.trim)

src/day01.scala

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+package aoc
+package day01
+
+val dayNumber = "01"
+
+@main def part1: Unit =
+  println(part1(loadInput(dayNumber)))
+
+@main def part2: Unit =
+  println(part2(loadInput(dayNumber)))
+
+def part1(input: String): String = ""
+
+def part2(input: String): String = ""