質問 124
### 次の設定の場合、このmatrixが評価されるとGitHub Actionsは何個のジョブを実行しますか?
```yaml
strategy:
matrix:
os: [ubuntu-latest, windows-latest]
node: [14, 16]
include:
- os: macos-latest
node: 18
- os: ubuntu-latest
node: 14
```
> https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/running-variations-of-jobs-in-a-workflow#expanding-or-adding-matrix-configurations
1. [ ] 4 ジョブ
1. [x] 5 ジョブ
1. [ ] 6 ジョブ
1. [ ] 7 ジョブ
1. [ ] 構文が無効なためジョブは実行されない