scope-lock 0.3.0

Safely extend lifetimes
Documentation 
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{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };
  };
  outputs = { self, nixpkgs, flake-utils, rust-overlay }:
    flake-utils.lib.eachDefaultSystem
      (system:
        let
          overlays = [ (import rust-overlay) ];
          pkgs = import nixpkgs {
            inherit system overlays;
          };
          rustToolchain = pkgs.pkgsBuildHost.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default.override {
            extensions = [ "rust-src" "rust-analyzer" "miri" ];
          });
        in
        with pkgs;
        {
          devShells.default = mkShell {
            buildInputs = [rustToolchain];
          };
        }
      );
}