enve 0.4.0

it helps you work with environment variables and convert it to any type using only type annotations
Documentation 
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{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
      in
      {
        devShell = pkgs.mkShell {
          packages = with pkgs; [
            cargo
            cargo-watch
            rustc
            rustfmt
            clippy
            rust-analyzer
          ];
          RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc;
        };
      });
}