Fix warnings emitted by elixir 1.18/OTP27

.formatter.exs

@@ -0,0 +1,3 @@
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.github/workflows/ci.yml

@@ -0,0 +1,54 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  mix-test:
+    runs-on: ubuntu-22.04
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - elixir: "1.12"
+            otp: "24"
+          - elixir: "1.16"
+            otp: "25"
+          - elixir: "1.17"
+            otp: "26"
+          - elixir: "1.18"
+            otp: "27"
+          - elixir: "1.19"
+            otp: "28"
+            lint: lint
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: ${{matrix.otp}}
+          elixir-version: ${{matrix.elixir}}
+
+      - uses: actions/cache@v4
+        with:
+          path: |
+            deps
+            _build
+          key: deps-${{ runner.os }}-${{matrix.otp}}-${{matrix.elixir}}-${{ hashFiles('**/mix.lock') }}
+          restore-keys: deps-${{ runner.os }}-${{matrix.otp}}-${{matrix.elixir}}
+
+      - run: mix deps.get
+
+      - run: mix format --check-formatted
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.unlock --check-unused
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.compile
+
+      - run: mix compile --warnings-as-errors
+        if: ${{ matrix.lint }}

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 ## [Unreleased]
 
+## [0.2.2] (2025-11-12)
+
+### Fixed
+
+- Warnings emitted by the Elixir's compiler v1.19.2
+- Warnings emitted by a negative range given to `Enum.slice/2`
+
 ## [0.2.1] (2024-03-12)
 
 ### Fixed

README.md

@@ -1,4 +1,4 @@
-mailibex [![Build Status](https://travis-ci.org/kbrw/mailibex.svg?branch=master)](https://travis-ci.org/kbrw/mailibex) 
+mailibex ![GitHub branch check runs](https://img.shields.io/github/check-runs/kbrw/mailibex/master)
 ========
 
 Library containing Email related implementations in Elixir : dkim, spf, dmark, mimemail, smtp