Run doctests on Julia nightly

Author: DilumAluthge

.github/workflows/ci.yml

@@ -62,12 +62,29 @@ jobs:
             using Pkg
             Pkg.develop(PackageSpec(path=pwd()))
             Pkg.instantiate()'
-      # - run: |
-      #     julia --project=docs -e '
-      #       using Documenter: doctest
-      #       using LoopVectorization
-      #       doctest(LoopVectorization)'
       - run: julia --project=docs docs/make.jl
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
+  doctests:
+    name: Doctests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: 'nightly'
+      - run: julia --color=yes -e 'using Pkg; VERSION >= v"1.5-" && !isdir(joinpath(DEPOT_PATH[1], "registries", "General")) && Pkg.Registry.add("General")'
+        shell: bash
+        env:
+          JULIA_PKG_SERVER: ""
+      - run: |
+          julia --project=docs -e '
+            using Pkg
+            Pkg.develop(PackageSpec(path=pwd()))
+            Pkg.instantiate()'
+      - run: |
+          julia --project=docs -e '
+            using Documenter: doctest
+            using LoopVectorization
+            doctest(LoopVectorization)'