{ description = "A Nix-flake-based C# development environment"; inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz"; outputs = { self, nixpkgs }: let supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ]; forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems ( system: f { pkgs = import nixpkgs { inherit system; }; } ); in { devShells = forEachSupportedSystem ( { pkgs }: { default = pkgs.mkShell { packages = with pkgs; [ dotnet-sdk_9 omnisharp-roslyn mono ]; shellHook = '' export ASPNETCORE_ENVIRONMENT=Development ''; }; } ); }; }