Merge branch 'master' into chrispat-patch-1

Author: chrispat

.github/workflows/dotnetcore.yml

@@ -9,7 +9,10 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.image }}
+    strategy:
+      matrix:
+        image: ['ubuntu-latest', 'windows-latest', 'macos-latest']
 
     steps:
     - uses: actions/checkout@v2

azure-pipelines.yml

@@ -12,7 +12,16 @@ pr:
        - master
 
 pool:
-  vmImage: 'ubuntu-latest'
+  vmImage: $(image)
+
+strategy:
+  matrix:
+    mac-os:
+      image: 'macos-latest'
+    windows:
+      image: 'windows-latest'
+    linux:
+      image: 'ubuntu-latest'
 
 variables:
   buildConfiguration: 'Release'