Improve slice.binary_search_by()'s best-case performance to O(1)#74024

Merged

bors merged 4 commits intorust-lang:masterfrom Folyd:master

Mar 5, 2021

Commits on Jan 30, 2021

Improve slice.binary_search_by()'s best-case performance to O(1)
Folyd
committed
Simplify binary search logic to full branch code to let CPU guessing branch more precisely
Folyd
committed

Commits on Feb 3, 2021

Explain why we use if/else control flow rather than match
Folyd
committed

Commits on Feb 27, 2021

Fix binary_search_by() overflow issue in ZST case
Folyd
committed