ruby，多条执行语句 if 后置_Ruby_编程开发_程序员俱乐部

a = [:aa, :bb, :cc, :dd]

ele = :unknown
a.each do |i|
  i == :cc and ele = i and break;
end

# ele = :cc
#####################################################
# i == :cc and ele = i and break;  =>    if i == :cc
#                                                                 ele = i
#                                                                 break;
#                                                              end
#####################################################
# 当if写在后面时就可以这样： 条件 and 执行语句1 and 执行语句2
# 一条执行语句：执行语句 if 条件