echo 'var.==(nil)' | bundle exec rubocop --stdin ' ' --only Style/NilComparison -A -d
Infinite loop detected in ~ and caused by Style/NilComparison
C

Offenses:

 :1:5: C: [Corrected] Style/NilComparison: Prefer the use of the nil? predicate.
var.==(nil)
    ^^

1 file inspected, 1 offense detected, 1 offense corrected

1 error occurred:
Infinite loop detected in ~  and caused by Style/NilComparison

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