Refactor `count_occurrences` #2636

Job	Run time
Version Bump 🤜🤛	0s
Audit Dependencies 🕵️‍♂️ / oysteR scan 🦪	1m 56s
Coverage 📔 / Coverage 📔	10m 6s
Coverage 📔 / Covtracer 🐄	0s
R CMD Check 🧬 / ghcr.io/insightsengineering/rstudio_4.3.1_bioc_3.17, version latest	10m 20s
SuperLinter 🦸‍♀️ / SuperLinter 🦸‍♂️	20m 45s
gitleaks 💧 / gitleaks 💧	6s
Grammar Check 🔤 / Check 📝	21s
gitleaks 💧 / PII Check 💳	0s
Check URLs 🌐 / Validate Links 🔎	4s
Spell Check 🆎 / Check spelling 🔠	2m 2s
Roxygen 🅾 / Manual pages check 🏁	3m 47s
License Check 🃏 / Check 🚩	46s
Style Check 👗 / Check code style 🔠	2m 59s
Version Check 🏁 / Emoji in NEWS.md 📰	6s
Version Check 🏁 / Version check 🏁	5s
Coverage 📔 / Publish coverage report 📰	0s
R CMD Check 🧬 / Publish JUnit HTML report 📰	0s
R CMD Check 🧬 / Upload build tar.gz	0s
	53m 23s

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