shufr: use std::optional instead of xph::nullable
#1345
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| name: Check Spelling | |
| on: | |
| push: | |
| branches: | |
| - '**' | |
| pull_request: | |
| branches: | |
| - '**' | |
| jobs: | |
| spell: | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - name: Install workflow dependencies | |
| run: | | |
| sudo apt-get -y install codespell | |
| - name: Check source files for spelling mistakes | |
| run: | | |
| ./.make spell | |
| env: | |
| SHELL_VERBOSE: 1 |