flake

.envrc

@@ -0,0 +1 @@
+use flake

.github/workflows/ci.yaml

@@ -0,0 +1,17 @@
+name: "CI"
+on:
+  pull_request:
+  push:
+
+jobs:
+  checks:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v26
+      - uses: icewind1991/attic-action@v1
+        with:
+          name: ci
+          instance: https://cache.icewind.me
+          authToken: "${{ secrets.ATTIC_TOKEN }}"
+      - run: nix flake check --keep-going

.github/workflows/rust.yml

@@ -1,33 +0,0 @@
-on: [push, pull_request]
-
-name: CI
-
-jobs:
-  check:
-    name: Check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-      - uses: Swatinem/rust-cache@v1
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
-
-  test:
-    runs-on: ubuntu-latest
-    name: Tests
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-      - uses: Swatinem/rust-cache@v1
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test

.gitignore

@@ -1 +1,4 @@
-/target
+.idea
+target
+result
+.direnv

Cargo.lock

@@ -1,7 +1,5 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
-
 [[package]]
 name = "rfc7239"
 version = "0.1.1"

Cargo.toml

@@ -7,6 +7,7 @@ description = "Parser for rfc7239 formatted Forwarded headers"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/icewind1991/rfc7239"
 documentation = "https://docs.rs/rfc7239"
+rust-version = "1.56.1"
 
 [dependencies]
 uncased = "0.9.10"

flake.lock

@@ -0,0 +1,107 @@
+{
+  "nodes": {
+    "crane": {
+      "locked": {
+        "lastModified": 1730060262,
+        "narHash": "sha256-RMgSVkZ9H03sxC+Vh4jxtLTCzSjPq18UWpiM0gq6shQ=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "498d9f122c413ee1154e8131ace5a35a80d8fa76",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "flakelight": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1732697024,
+        "narHash": "sha256-GcLauDQQI4xO4vy3e2QxPneR86FsJ1ubAbFDlTyEZ9s=",
+        "owner": "nix-community",
+        "repo": "flakelight",
+        "rev": "1af817b5987e78b7a260dff6d62793716b98d794",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "flakelight",
+        "type": "github"
+      }
+    },
+    "mill-scale": {
+      "inputs": {
+        "crane": "crane",
+        "flakelight": [
+          "flakelight"
+        ],
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1732306573,
+        "narHash": "sha256-wE12kIIE0qb9V9y0JiVm5RsRrMNX+KeeMwkzwefdHhY=",
+        "owner": "icewind1991",
+        "repo": "mill-scale",
+        "rev": "8b4cbf174a9728d7e58bbfde5b5a6685dcbf1015",
+        "type": "github"
+      },
+      "original": {
+        "owner": "icewind1991",
+        "repo": "mill-scale",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1732632634,
+        "narHash": "sha256-+G7n/ZD635aN0sEXQLynU7pWMd3PKDM7yBIXvYmjABQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6f6076c37180ea3a916f84928cf3a714c5207a30",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-24.05",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flakelight": "flakelight",
+        "mill-scale": "mill-scale",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "mill-scale",
+          "flakelight",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731897198,
+        "narHash": "sha256-Ou7vLETSKwmE/HRQz4cImXXJBr/k9gp4J4z/PF8LzTE=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "0be641045af6d8666c11c2c40e45ffc9667839b5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,14 @@
+{
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-24.05";
+    flakelight = {
+      url = "github:nix-community/flakelight";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    mill-scale = {
+      url = "github:icewind1991/mill-scale";
+      inputs.flakelight.follows = "flakelight";
+    };
+  };
+  outputs = { mill-scale, ... }: mill-scale ./. { };
+}

src/lib.rs

@@ -50,7 +50,7 @@ impl Display for RfcError {
 impl Error for RfcError {}
 
 /// Parse an rfc7239 header value into a list of forwarded nodes
-pub fn parse(header_value: &str) -> impl Iterator<Item = Result<Forwarded, RfcError>> {
+pub fn parse(header_value: &str) -> impl DoubleEndedIterator<Item = Result<Forwarded, RfcError>> {
     header_value.split(',').map(str::trim).map(Forwarded::parse)
 }