DidYouMean::KeyErrorChecker#exact_matches

# File tmp/rubies/ruby-3.4.1/lib/did_you_mean/spell_checkers/key_error_checker.rb, line 16
def exact_matches
  @exact_matches ||= @keys.select { |word| @key == word.to_s }.map { |obj| format_object(obj) }
end