class RuboCop::Cop::Style::TrailingUnderscoreVariable

def find_first_possible_offense(variables)

def find_first_possible_offense(variables)
  variables.reduce(nil) do |offense, variable|
    var, = *variable
    var, = *var
    if allow_named_underscore_variables
      break offense unless var == :_
    else
      break offense unless var.to_s.start_with?(UNDERSCORE)
    end
    variable
  end
end