Migrate to GH Actions + elm-tooling and expose `subsequencesNonEmpt…

…y` 🆕 (#168)

* Optimize and expose `subsequencesNonEmpty` 🆕

* update to elm-test@2.0

* Add elm-tooling and migrate to GH actions...

* Use elm-test-rs instead (faster) 🚀

.github/workflows/test.yml

@@ -0,0 +1,17 @@
+name: "Tests"
+on: [push, pull_request]
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+          cache: 'npm'
+      - uses: actions/cache@v2
+        with:
+          path: ~/.elm
+          key: ${{ runner.os }}-elm-${{ hashFiles('package-lock.json', 'elm-tooling.json', 'elm.json') }}
+      - run: npm ci
+      - run: npm test

.gitignore

@@ -1,3 +1,5 @@
 # Ignore build or dist files
 /elm-stuff
-/elm
+/elm
+tests
+node_modules

README.md

@@ -1,6 +1,6 @@
 # Convenience functions for working with List
 
-[![Build Status](https://travis-ci.org/elm-community/list-extra.svg?branch=master)](https://travis-ci.org/elm-community/list-extra)
+[![Build Status](https://github.com/elm-community/list-extra/workflows/test.yml/badge.svg)](https://github.com/elm-community/list-extra/actions)
 
 Experimental package with convenience functions for working with List.
 Note that this API is experimental and likely to go through many more iterations.

elm-tooling.json

@@ -0,0 +1,7 @@
+{
+    "tools": {
+        "elm": "0.19.1",
+        "elm-format": "0.8.5",
+        "elm-test-rs": "3.0.0"
+    }
+}

elm.json

@@ -12,6 +12,6 @@
         "elm/core": "1.0.0 <= v < 2.0.0"
     },
     "test-dependencies": {
-        "elm-explorations/test": "1.0.0 <= v < 2.0.0"
+        "elm-explorations/test": "2.0.0 <= v < 3.0.0"
     }
 }