Investigate and resolve Issue #1

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install Lua
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y lua5.4
+
+    - name: Run tests
+      run: cd tst && lua5.4 all.lua

README.md

@@ -1,12 +1,17 @@
 # f-streams
 
+[![Tests][badge]][test]
+
 ***Pull-based Streams for Lua***
 
 [
     [`v0.2`](https://github.com/lua-atmos/f-streams/tree/v0.2) |
     [`v0.1`](https://github.com/lua-atmos/f-streams/tree/v0.1)
 ]
 
+[badge]: https://github.com/lua-atmos/f-streams/actions/workflows/test.yml/badge.svg
+[test]:  https://github.com/lua-atmos/f-streams/actions/workflows/test.yml
+
 This is the unstable `main` branch.
 Please, switch to stable [`v0.2`](https://github.com/lua-atmos/f-streams/tree/v0.2).