[Repo Assist] perf: use while! in groupBy, countBy, partition, except, exceptOfSeq#386

dsyme merged 1 commit intomainfsprojects/FSharp.Control.TaskSeq:mainfrom

repo-assist/perf-while-bang-groupby-countby-partition-20260413-6e4499650e6f9190fsprojects/FSharp.Control.TaskSeq:repo-assist/perf-while-bang-groupby-countby-partition-20260413-6e4499650e6f9190Copy head branch name to clipboard