continuous integration (staging)

feat: `FastSubsingleton` and `FastIsEmpty` to speed up `congr!`/`conv… #7739

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Check all files imported	8s
Cancel Previous Runs (CI)	10s
check workflows	8s
Lint style	28s
Build	1h 8m 30s
Post-CI job	9s
	1h 9m 33s