introduce optimized linear search functions that return index of matching element

When Who What
2022-10-12 05:56:49 John Naylor (john.naylor) Closed in commitfest 2022-11 with status: Returned with feedback
2022-09-19 17:16:11 Nathan Bossart (bossartn) Changed reviewers to Nathan Bossart (bossartn), John Naylor (john.naylor)
2022-09-19 17:16:11 Nathan Bossart (bossartn) Changed authors to Masahiko Sawada (masahikosawada), Nathan Bossart (bossartn)
2022-09-19 17:16:11 Nathan Bossart (bossartn) Changed targetversion to 16
2022-09-19 17:15:47 Nathan Bossart (bossartn) Attached mail thread 20220917052903.GA3172400@nathanxps13
2022-09-19 17:15:47 Nathan Bossart (bossartn) Created patch record