Redundant safe navigation
Reports the use of the safe navigation operator (
&.) with a non-nil receiver, which can be omitted.
Use the Ignored receivers list to specify method calls used as receivers that should be ignored (for example,
Foo::call for an instance or a singleton method respectively).
[Array#, Enumerable#group_by, Hash#]
Qodana for Ruby 2023.3, RubyMine 2023.3