ruby-编写对象的case语句行为

class    Teacher
attr_accessor    :name,:hobby
def initalize(name,hobby)
self.name=name
self.hobby=hobby
end
def ===(other_name)
self.name=other_name
end
teacher1=Teacher.new("李华"，“”音乐“”)
teacher2=Teacher.new("张龙"，“跑步”)
teacher3=Teacher.new("李华"，"画画")

case teacher1
when teacher2
puts “my hobby teacher2”
when teacher3
puts “my hobby teacher3”
else
puts “no hobby”
end
输出结果
my hobby teacher3