module Byebug::DisplayFunctions

def active_display_expressions?
  @state.display.select { |d| d[0] }.size > 0
end

def display_expression(exp)
  "#{exp} = #{bb_warning_eval(exp).inspect}"
end

def print_display_expressions
  n = 1
  @state.display.each do |d|
    puts "#{n}: #{display_expression(d[1])}" if d[0]
    n += 1
  end
end