big bang

Author: frectonz

.gitignore

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+/target
+/Cargo.lock

Cargo.toml

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+[package]
+name = "grid-url"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

README.md

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+# A GRID Url Parser
+
+Features
+- Transforming a GRID URL into a structured representation
+- Resolving the domain name of the GRID url host into an ip address
+

flake.lock

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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";
+        flake-utils.follows = "flake-utils";
+      };
+    };
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "flake-utils";
+        rust-overlay.follows = "rust-overlay";
+      };
+    };
+  };
+  outputs = { self, nixpkgs, flake-utils, rust-overlay, crane }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs {
+          inherit system overlays;
+        };
+
+        craneLib = crane.lib.${system};
+        src = craneLib.cleanCargoSource ./.;
+
+        commonArgs = { inherit src; };
+
+        cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+        bin = craneLib.buildPackage (commonArgs // {
+          inherit cargoArtifacts;
+        });
+      in
+      with pkgs;
+      {
+        packages = {
+          inherit bin;
+          default = bin;
+        };
+
+        devShells.default = mkShell {
+          buildInputs = [
+            rust-bin.stable.latest.default
+            rust-analyzer
+            nil
+          ];
+        };
+
+        formatter = nixpkgs-fmt;
+      }
+    );
+}

flake.nix

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+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}