Merge pull request #42 from dlang/test-with-depracations

Various improvements

.github/workflows/main.yml

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+# Cross platform GitHub Actions CI for undeaD
+
+name: Testsuite
+
+# Only triggers on pushes to master & stable, as well as PR to master and stable
+# Sometimes reverts appear in the upstream repository (e.g. when the revert button
+# is clicked by a contributor with commit access), this should be tested as PR).
+#
+# Also note that Github actions does not retrigger on target branch changes,
+# hence the check on push.
+on:
+  pull_request:
+    branches:
+      - master
+      - stable
+  push:
+    branches:
+      - master
+      - stable
+      # Use this branch name in your fork to test changes
+      - github-actions
+
+jobs:
+  main:
+    name: Run
+    strategy:
+      # Default, disable if you want to debug
+      fail-fast: false
+      matrix:
+        # Latest stable version, update at will
+        os: [ macOS-10.15, ubuntu-20.04, windows-2019 ]
+        dc: [ dmd-latest, ldc-latest, dmd-master, ldc-master ]
+
+    runs-on: ${{ matrix.os }}
+    steps:
+
+    - name: Install D compiler - ${{ matrix.dc }}
+      uses: dlang-community/setup-dlang@v1
+      with:
+        compiler: ${{ matrix.dc }}
+
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: 'Build and Test'
+      shell: bash
+      run: |
+        $DC --version
+        dub build --compiler=$DC
+        dub test --compiler=$DC -v

dub.sdl

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+name "undead"
+description "Obsolete Phobos modules, back from the dead"
+homepage "https://github.com/dlang/undeaD"
+authors "various"
+license "BSL-1.0"
+targetType "library"
+targetPath "bin"
+buildType "unittest" {
+    buildOptions "debugMode" "debugInfo" "unittests" "deprecationErrors" "warningsAsErrors"
+}

examples/hello-from-the-dead/dub.sdl

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+name "hello-from-the-dead"
+description "A test program that uses undeaD"
+authors "Petar Kirov"
+copyright "Copyright © 2020, Petar Kirov"
+license "BSL-1.0"
+dependency "undead" version="*" path="../.."
+targetPath "bin"

examples/hello-from-the-dead/source/app.d

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+static import std.string;
+
+void main()
+{
+    import undead.regexp : RegExp, sub;
+    import std.stdio : writeln;
+
+    string foo(RegExp r) { return "ss"; }
+
+    auto r = sub("hello", "ll", delegate string(RegExp r) { return "ss"; });
+    assert(r == "hesso");
+
+    r = sub("hello", "l", delegate string(RegExp r) { return "l"; }, "g");
+    assert(r == "hello");
+
+    auto s = sub("Strap a rocket engine on a chicken.",
+            "[ar]",
+            delegate string (RegExp m)
+            {
+                return std.string.toUpper(m[0]);
+            },
+            "g");
+    assert(s == "StRAp A Rocket engine on A chicken.");
+    s.writeln;
+}