initial commit

.gitignore

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+/target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "frzn-challenge"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "frzn-challenge"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

default.nix

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+{rustPlatform}:
+rustPlatform.buildRustPackage {
+  pname = "sample-rust";
+  version = "0.0.1";
+
+  src = ./.;
+  cargoLock.lockFile = ./Cargo.lock;
+}

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1733039856,
+        "narHash": "sha256-CAvvt3N7MWFlEpspYtfth5jWzbHQUAUOufOVXgm03rw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0a644d62935fd8c0e6d9244c2ee2e8f6c2b6158c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Rust Project Template";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs";
+
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    systems = ["x86_64-linux" "aarch64-linux"];
+    forEachSystem = nixpkgs.lib.genAttrs systems;
+
+    pkgsForEach = nixpkgs.legacyPackages;
+  in rec {
+    packages = forEachSystem (system: {
+      default = pkgsForEach.${system}.callPackage ./default.nix {};
+    });
+
+    devShells = forEachSystem (system: {
+      default = pkgsForEach.${system}.callPackage ./shell.nix {};
+    });
+
+    hydraJobs = packages;
+  };
+}

shell.nix

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+{
+  callPackage,
+  rust-analyzer,
+  rustfmt,
+  clippy,
+  cargo,
+}: let
+  mainPkg = callPackage ./default.nix {};
+in
+  mainPkg.overrideAttrs (oa: {
+    nativeBuildInputs =
+      [
+        # Additional rust tooling
+        rust-analyzer
+        rustfmt
+        clippy
+        cargo
+      ]
+      ++ (oa.nativeBuildInputs or []);
+  })

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}