use-set-for-membership / R6201#
Consider using set for membership test
Membership tests are more efficient when performed on a lookup optimized datatype like ``sets``.
# This is a placeholder for correct code for this message.
You can help us make the doc better by contributing !
This message is emitted by the optional 'set_membership' checker which requires the
plugin to be loaded.
Created by the set_membership checker.