Don't rely on the order of lists returned by maps

rabbitmq / ra

A Raft implementation for Erlang and Elixir that strives to be efficient and make it easier to use multiple Raft clusters in a single system.

Other

813 stars 96 forks source link

Don't rely on the order of lists returned by maps #363

Closed mkuratczyk closed 1 year ago

mkuratczyk commented 1 year ago

For reference:

OTP-18414    Application(s): erts, stdlib
               Related Id(s): PR-6151

               *** HIGHLIGHT ***

               Some map operations have been optimized by changing the
               internal sort order of atom keys. This changes the
               (undocumented) order of how atom keys in small maps are
               printed and returned by maps:to_list/1 and maps:next/1.
               The new order is unpredictable and may change between
               different invocations of the Erlang VM.