Expand testing

Author: mmoult

.github/workflows/ci.yml

@@ -22,15 +22,16 @@ jobs:
       matrix:
         build_type: [ Debug ]
         os:
-        - windows-latest
         - ubuntu-latest
-        #- macos-latest
+        - windows-latest
+        - macos-latest
         compiler:
         - llvm
-        #- gcc-14
-        #include:
-        #- os: "windows-latest"
-        #  compiler: "msvc"
+        include:
+        - os: "windows-latest"
+          compiler: "msvc"
+        - os: "ubuntu-latest"
+          compiler: "gcc-14"
 
     steps:
     - name: Checkout

README.md

@@ -34,7 +34,7 @@ structures. A best guess approximation is used for the interpreter, which relies
 implementations.
 
 ## Building
-The source can be built using a compiler which supports C++20. It is known to build on Linux and Windows.
+The source can be built using a compiler which supports C++20. It is known to build on Linux, Windows, and MacOS.
 
 Here are a few build commands to run from the repository's root directory: