init

flake.nix

@@ -0,0 +1,43 @@
+{
+  description = "";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    crane.url = "github:ipetkov/crane";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs =
+    {
+      nixpkgs,
+      crane,
+      flake-utils,
+      rust-overlay,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ rust-overlay.overlays.default ];
+        };
+        craneLib = (crane.mkLib pkgs).overrideToolchain (
+          p:
+          p.rust-bin.nightly.latest.default.override {
+            extensions = [
+              "rustc-codegen-cranelift-preview"
+              "rust-analyzer"
+              "rust-src"
+            ];
+          }
+        );
+      in
+      {
+        devShells.default = craneLib.devShell {
+          packages = [ ];
+        };
+      }
+    );
+}